CVE-2022-51013

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-07. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 6.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

PocketMine-MP versions before 4.2.3 fail to validate damage metadata values in tool and armor item NBT data received from clients. Attackers can send negative or out-of-range damage values in itemstack NBT to trigger unhandled exceptions in the Durable class, causing server crashes.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
42%
KEV
Not listed

Published

September 7, 2026

Last Modified

September 14, 2026

Advisory Details (3)

Auto-updated Sep 7, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
generic

PocketMine-MP before 4.2.3 Denial of Service via NBT Metadata | Advisories | VulnCheck

https://www.vulncheck.com/advisories/pocketmine-mp-before-4.2.3-denial-of-service-via-nbt-metadata
github Patch Available🟡 PoC Available

Improperly checked metadata on tools/armour itemstacks received from the client · Advisory · pmmp/PocketMine-MP · GitHub

https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-46c5-pfj8-fv65
github_commit

commit c8e1cfcbee49 (pmmp/PocketMine-MP)

Fix landed in pmmp/PocketMine-MP commit c8e1cfcbee49 — awaiting tagged release

https://github.com/pmmp/PocketMine-MP/commit/c8e1cfcbee4945fd4b63d2a7e96025c59744d4f1

Vendor Advisories for CVE-2022-51013(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
pocketmine/pocketmine-mp3.0.0 ... 4.2.3 (185 versions)4.2.4—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 35× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-18 18:53 UTCGHSA enrichment
  2. 2026-09-17 20:21 UTCEG score recompute
  3. 2026-09-17 20:21 UTCGHSA enrichment
  4. 2026-09-16 18:20 UTCEG score recompute
  5. 2026-09-16 18:20 UTCGHSA enrichment
  6. 2026-09-16 14:05 UTCEPSS rescore
  7. 2026-09-16 05:11 UTCEPSS rescore
  8. 2026-09-15 19:02 UTCEG score recompute
  9. 2026-09-15 19:01 UTCGHSA enrichment
  10. 2026-09-15 03:07 UTCEPSS rescore
  11. 2026-09-14 20:27 UTCEG score recompute
  12. 2026-09-14 20:27 UTCGHSA enrichment
  13. 2026-09-14 19:40 UTCEG score recompute
  14. 2026-09-14 19:40 UTCGHSA enrichment
  15. 2026-09-14 11:30 UTCEG score recompute
  16. 2026-09-14 11:30 UTCGHSA enrichment
  17. 2026-09-13 16:44 UTCEPSS rescore
  18. 2026-09-13 12:58 UTCEG score recompute
  19. 2026-09-13 12:58 UTCGHSA enrichment
  20. 2026-09-12 14:26 UTCGHSA enrichment
  21. 2026-09-11 15:54 UTCEG score recompute
  22. 2026-09-11 15:54 UTCGHSA enrichment
  23. 2026-09-11 14:50 UTCEPSS rescore
  24. 2026-09-11 09:34 UTCEPSS rescore
  25. 2026-09-10 17:22 UTCEG score recompute
Show 10 more
  1. 2026-09-10 17:22 UTCGHSA enrichment
  2. 2026-09-09 18:45 UTCEG score recompute
  3. 2026-09-09 18:45 UTCGHSA enrichment
  4. 2026-09-08 21:57 UTCEPSS rescore
  5. 2026-09-08 20:13 UTCGHSA enrichment
  6. 2026-09-08 11:55 UTCEG score recompute
  7. 2026-09-08 11:54 UTCGHSA enrichment
  8. 2026-09-07 13:21 UTCEG score recompute
  9. 2026-09-07 13:04 UTCEG score recompute
  10. 2026-09-07 13:01 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-51013?
CVE-2022-51013 is a medium vulnerability published on September 7, 2026. PocketMine-MP versions before 4.2.3 fail to validate damage metadata values in tool and armor item NBT data received from clients. Attackers can send negative or out-of-range damage values in itemstack NBT to trigger unhandled exceptions in the Durable class, causing server crashes.
When was CVE-2022-51013 disclosed?
CVE-2022-51013 was first published in the National Vulnerability Database on September 7, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-51013 actively exploited?
CVE-2022-51013 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.7% of all scored CVEs.
What is the CVSS score of CVE-2022-51013?
CVE-2022-51013 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2022-51013?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-51013, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-51013

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