{"items":[{"id":"NVI-00007050","kind":"vulnerability","title":"Exploitable inventory component chaining in PocketMine-MP","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-8jq6-w5cg-wm45","CVE-2020-37277"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 3.15.4 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-ccc60c996f35e58345b56ed1c2e572e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1cf4dbc4d170cd4c93c1f6f6a4a5d779"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T16:16:44.403Z","value":"6.5 MEDIUM (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3"},{"kind":"CVSS","as_of":"2026-10-08T16:16:44.403Z","value":"7.1 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.530%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44895. Missing scores are unknown.","source_id":"sr-1cf4dbc4d170cd4c93c1f6f6a4a5d779"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2020-37277","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:42:56.080Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ccc60c996f35e58345b56ed1c2e572e7"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\nSpecially crafted `InventoryTransactionPacket`s sent by malicious clients were able to exploit the behaviour of `InventoryTransaction->findResultItem()` and cause it to take an abnormally long time to execute (causing an apparent server freeze).\n\nThe affected code is intended to compact conflicting `InventoryActions` which are in the same `InventoryTransaction` by flattening them into a single action. When multiple pathways to a result existed, the complexity of this flattening became exponential.\n\nThe problem was fixed by bailing when ambiguities are detected.\n\n**At the time of writing, this exploit is being used in the wild by attackers to deny service to servers.**\n\n### Patches\nUpgrade to 3.15.4 or newer.\n\n### Workarounds\nNo practical workarounds are possible, short of backporting the fix or implementing checks in a plugin listening to `DataPacketReceiveEvent`.\n\n### References\nc368ebb5e74632bc622534b37cd1447b97281e20\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at team@pmmp.io","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.15.4"]}],"null_published_at":"2026-11-07T14:01:55.404Z","source_updated_at":"2026-09-08T12:38:07.821Z","source_disclosed_at":"2020-11-11T21:38:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.671Z"},{"id":"NVI-00007050","kind":"vulnerability","title":"Exploitable inventory component chaining in PocketMine-MP","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-8jq6-w5cg-wm45","CVE-2020-37277"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 3.15.4 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-ccc60c996f35e58345b56ed1c2e572e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-297bfea08a98222bd3c478da8bd36a89"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T16:16:44.403Z","value":"6.5 MEDIUM (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3"},{"kind":"CVSS","as_of":"2026-10-08T16:16:44.403Z","value":"7.1 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.530%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.4486. Missing scores are unknown.","source_id":"sr-297bfea08a98222bd3c478da8bd36a89"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ccc60c996f35e58345b56ed1c2e572e7","url":"https://github.com/advisories/GHSA-8jq6-w5cg-wm45","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8jq6-w5cg-wm45","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.671Z"},{"id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-37277","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2020-37277","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:07:21.349Z"},{"id":"sr-297bfea08a98222bd3c478da8bd36a89","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2020-37277","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:27:48.610Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ccc60c996f35e58345b56ed1c2e572e7"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\nSpecially crafted `InventoryTransactionPacket`s sent by malicious clients were able to exploit the behaviour of `InventoryTransaction->findResultItem()` and cause it to take an abnormally long time to execute (causing an apparent server freeze).\n\nThe affected code is intended to compact conflicting `InventoryActions` which are in the same `InventoryTransaction` by flattening them into a single action. When multiple pathways to a result existed, the complexity of this flattening became exponential.\n\nThe problem was fixed by bailing when ambiguities are detected.\n\n**At the time of writing, this exploit is being used in the wild by attackers to deny service to servers.**\n\n### Patches\nUpgrade to 3.15.4 or newer.\n\n### Workarounds\nNo practical workarounds are possible, short of backporting the fix or implementing checks in a plugin listening to `DataPacketReceiveEvent`.\n\n### References\nc368ebb5e74632bc622534b37cd1447b97281e20\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at team@pmmp.io","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.15.4"]}],"null_published_at":"2026-11-06T15:18:11.449Z","source_updated_at":"2026-09-08T12:38:07.821Z","source_disclosed_at":"2020-11-11T21:38:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.671Z"},{"id":"NVI-00007050","kind":"vulnerability","title":"Exploitable inventory component chaining in PocketMine-MP","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-8jq6-w5cg-wm45","CVE-2020-37277"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 3.15.4 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-ccc60c996f35e58345b56ed1c2e572e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-b1eed32564d4f2a945b28cbc882e54a5"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T16:16:44.403Z","value":"6.5 MEDIUM (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3"},{"kind":"CVSS","as_of":"2026-10-08T16:16:44.403Z","value":"7.1 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.530%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44868. Missing scores are unknown.","source_id":"sr-b1eed32564d4f2a945b28cbc882e54a5"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ccc60c996f35e58345b56ed1c2e572e7","url":"https://github.com/advisories/GHSA-8jq6-w5cg-wm45","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8jq6-w5cg-wm45","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.671Z"},{"id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-37277","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2020-37277","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:07:21.349Z"},{"id":"sr-b1eed32564d4f2a945b28cbc882e54a5","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2020-37277","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ccc60c996f35e58345b56ed1c2e572e7"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\nSpecially crafted `InventoryTransactionPacket`s sent by malicious clients were able to exploit the behaviour of `InventoryTransaction->findResultItem()` and cause it to take an abnormally long time to execute (causing an apparent server freeze).\n\nThe affected code is intended to compact conflicting `InventoryActions` which are in the same `InventoryTransaction` by flattening them into a single action. When multiple pathways to a result existed, the complexity of this flattening became exponential.\n\nThe problem was fixed by bailing when ambiguities are detected.\n\n**At the time of writing, this exploit is being used in the wild by attackers to deny service to servers.**\n\n### Patches\nUpgrade to 3.15.4 or newer.\n\n### Workarounds\nNo practical workarounds are possible, short of backporting the fix or implementing checks in a plugin listening to `DataPacketReceiveEvent`.\n\n### References\nc368ebb5e74632bc622534b37cd1447b97281e20\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at team@pmmp.io","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.15.4"]}],"null_published_at":"2026-11-05T03:52:54.781Z","source_updated_at":"2026-09-08T12:38:07.821Z","source_disclosed_at":"2020-11-11T21:38:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.671Z"},{"id":"NVI-00007050","kind":"vulnerability","title":"Exploitable inventory component chaining in PocketMine-MP","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-8jq6-w5cg-wm45","CVE-2020-37277"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 3.15.4 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-ccc60c996f35e58345b56ed1c2e572e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-c5e36fbeec9c7ba14be9db0fb93a03d3"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T16:16:44.403Z","value":"6.5 MEDIUM (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3"},{"kind":"CVSS","as_of":"2026-10-08T16:16:44.403Z","value":"7.1 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ccc60c996f35e58345b56ed1c2e572e7","url":"https://github.com/advisories/GHSA-8jq6-w5cg-wm45","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8jq6-w5cg-wm45","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.671Z"},{"id":"sr-c5e36fbeec9c7ba14be9db0fb93a03d3","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-37277","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2020-37277","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:07:21.349Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ccc60c996f35e58345b56ed1c2e572e7"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\nSpecially crafted `InventoryTransactionPacket`s sent by malicious clients were able to exploit the behaviour of `InventoryTransaction->findResultItem()` and cause it to take an abnormally long time to execute (causing an apparent server freeze).\n\nThe affected code is intended to compact conflicting `InventoryActions` which are in the same `InventoryTransaction` by flattening them into a single action. When multiple pathways to a result existed, the complexity of this flattening became exponential.\n\nThe problem was fixed by bailing when ambiguities are detected.\n\n**At the time of writing, this exploit is being used in the wild by attackers to deny service to servers.**\n\n### Patches\nUpgrade to 3.15.4 or newer.\n\n### Workarounds\nNo practical workarounds are possible, short of backporting the fix or implementing checks in a plugin listening to `DataPacketReceiveEvent`.\n\n### References\nc368ebb5e74632bc622534b37cd1447b97281e20\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at team@pmmp.io","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.15.4"]}],"null_published_at":"2026-10-31T22:27:12.410Z","source_updated_at":"2026-09-08T12:38:07.821Z","source_disclosed_at":"2020-11-11T21:38:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.671Z"},{"id":"NVI-00007050","kind":"vulnerability","title":"Exploitable inventory component chaining in PocketMine-MP","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8jq6-w5cg-wm45","CVE-2020-37277"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. 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When multiple pathways to a result existed, the complexity of this flattening became exponential.\n\nThe problem was fixed by bailing when ambiguities are detected.\n\n**At the time of writing, this exploit is being used in the wild by attackers to deny service to servers.**\n\n### Patches\nUpgrade to 3.15.4 or newer.\n\n### Workarounds\nNo practical workarounds are possible, short of backporting the fix or implementing checks in a plugin listening to `DataPacketReceiveEvent`.\n\n### References\nc368ebb5e74632bc622534b37cd1447b97281e20\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at team@pmmp.io","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.15.4"]}],"null_published_at":"2026-10-31T22:13:14.309Z","source_updated_at":"2026-09-08T12:38:07.821Z","source_disclosed_at":"2020-11-11T21:38:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:10.671Z"}],"next_cursor":null,"snapshot_revision":"42594"}