CVE-2022-23944

CRITICALNVD 9.19.1
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.1 under NVD CVSS v3. EPSS exploit probability: 79.0%, top 0% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this weekElevated
9.1
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 79%
CISA-KEV: Not listedEPSS: 79%CVSS: 9.1Exploit: NoneExposed: 0

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

User can access /plugin api without authentication. This issue affected Apache ShenYu 2.4.0 and 2.4.1.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
77(Track*)
EG Risk 77/100SSVC: 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
Severity91% × 45%
Exploitation79% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
99.6%
KEV
Not listed

Published

January 25, 2022

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Jul 19, 2026
No patch confirmed yet.
generic

oss-security - CVE-2022-23944: Apache ShenYu (incubating) Improper access control

http://www.openwall.com/lists/oss-security/2022/01/26/2
generic

oss-security - CVE-2022-23944: Apache ShenYu 2.4.1 Improper access control

http://www.openwall.com/lists/oss-security/2022/01/25/5
generic

oss-security - Re: CVE-2022-23944: Apache ShenYu 2.4.1 Improper access control

http://www.openwall.com/lists/oss-security/2022/01/25/15

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.apache.shenyu:shenyu-common2.4.0, 2.4.12.4.2

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 23× 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. 2026-07-23 02:08 UTCEG score recompute
  2. 2026-07-22 22:55 UTCEG score recompute
  3. 2026-07-22 14:06 UTCEPSS rescore
  4. 2026-07-22 14:06 UTCEPSS rescore
  5. 2026-07-20 17:05 UTCEPSS rescore
  6. 2026-07-18 02:29 UTCOSV refresh
  7. 2026-07-16 17:00 UTCEPSS rescore
  8. 2026-07-16 17:00 UTCEPSS rescore
  9. 2026-07-15 16:56 UTCEPSS rescore
  10. 2026-07-15 16:56 UTCEPSS rescore
  11. 2026-07-13 06:11 UTCEPSS rescore
  12. 2026-07-13 06:11 UTCEPSS rescore
  13. 2026-07-09 19:07 UTCEPSS rescore
  14. 2026-07-06 02:21 UTCEPSS rescore
  15. 2026-06-30 23:20 UTCEPSS rescore
  16. 2026-06-30 23:20 UTCEPSS rescore
  17. 2026-06-29 22:14 UTCOSV refresh
  18. 2026-06-28 14:06 UTCEPSS rescore
  19. 2026-06-28 04:54 UTCEPSS rescore
  20. 2026-06-28 04:54 UTCEPSS rescore
  21. 2026-06-25 13:48 UTCEPSS rescore
  22. 2026-06-24 14:03 UTCEPSS rescore
  23. 2026-06-24 14:03 UTCEPSS rescore
  24. 2026-06-23 21:31 UTCEPSS rescore
  25. 2026-06-23 21:31 UTCEPSS rescore
Show 29 more
  1. 2026-06-17 17:51 UTCEPSS rescore
  2. 2026-06-17 17:51 UTCEPSS rescore
  3. 2026-06-16 17:51 UTCEPSS rescore
  4. 2026-06-15 17:46 UTCEPSS rescore
  5. 2026-06-13 22:58 UTCEPSS rescore
  6. 2026-06-13 22:58 UTCEPSS rescore
  7. 2026-06-12 11:10 UTCOSV refresh
  8. 2026-06-10 22:16 UTCEPSS rescore
  9. 2026-06-10 13:20 UTCEPSS rescore
  10. 2026-06-07 15:23 UTCEPSS rescore
  11. 2026-06-07 15:23 UTCEPSS rescore
  12. 2026-06-06 13:46 UTCEPSS rescore
  13. 2026-06-06 13:46 UTCEPSS rescore
  14. 2026-06-05 22:45 UTCEPSS rescore
  15. 2026-06-05 06:09 UTCEPSS rescore
  16. 2026-06-05 06:09 UTCEPSS rescore
  17. 2026-06-04 13:11 UTCEPSS rescore
  18. 2026-06-04 13:11 UTCEPSS rescore
  19. 2026-06-02 20:11 UTCEPSS rescore
  20. 2026-06-02 20:11 UTCEPSS rescore
  21. 2026-06-02 20:11 UTCEPSS rescore
  22. 2026-06-01 13:50 UTCEPSS rescore
  23. 2026-06-01 13:50 UTCEPSS rescore
  24. 2026-06-01 13:50 UTCEPSS rescore
  25. 2026-05-29 13:42 UTCEPSS rescore
  26. 2026-05-28 13:43 UTCEPSS rescore
  27. 2026-05-28 13:43 UTCEPSS rescore
  28. 2026-05-28 13:43 UTCEPSS rescore
  29. 2026-05-26 04:13 UTCEG score recompute

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2022/CVE-2022-23944.yaml
    First seen Jan 1, 2022

    Apache ShenYu Admin Unauth Access

    Open source ↗

Frequently asked(5)

What is CVE-2022-23944?
CVE-2022-23944 is a critical vulnerability published on January 25, 2022. User can access /plugin api without authentication. This issue affected Apache ShenYu 2.4.0 and 2.4.1.
When was CVE-2022-23944 disclosed?
CVE-2022-23944 was first published in the National Vulnerability Database on January 25, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-23944 actively exploited?
CVE-2022-23944 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-23944?
CVE-2022-23944 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2022-23944?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-23944, 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-2022-23944

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