CVE-2022-36537

CRITICALNVD 7.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-02-27), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.5 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, nvd
Exploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 95%CVSS: 7.5Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · epss high · public exploitExposed services: Not assessed

A fix is available — apply it.

ZK Framework v9.6.1, 9.6.0.1, 9.5.1.3, 9.0.1.2 and 8.6.4.1 allows attackers to access sensitive information via a crafted POST request sent to the component AuUploader.

CVSS v3
7.5
EG Score
9.0CRITICALhigh confidence
EG Risk
96
EG Risk 96/100CISA SSVC

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
Severity90% × 45%
Exploitation100% × 40%
Automatability100% × 15%
CISA SSVC: Attend at low or medium mission impact; Act at high (mission-essential systems).
Action: A fix is available. Apply it sooner than your standard update timelines at low or medium mission impact and as soon as possible at high.
EPSS PROB
95%
EPSS %ILE
99th
KEV
⚠ Exploited

CISA SSVCAttend at low or medium mission impact; Act at high (mission-essential systems).

A fix is available. Apply it sooner than your standard update timelines at low or medium mission impact and as soon as possible at high.

Exploitation active (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 26, 2022

Last Modified

November 3, 2025

Advisory Details (3)

Auto-updated Jun 4, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-36537
generic🔴 Active Exploitation

CISA warns of hackers exploiting ZK Java Framework RCE flaw

https://www.bleepingcomputer.com/news/security/cisa-warns-of-hackers-exploiting-zk-java-framework-rce-flaw/
generic

Jira

https://tracker.zkoss.org/browse/ZK-5150

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFix by version rangeDependents
org.zkoss.zk:zk9.6.0, 9.6.0-jakarta, 9.6.0.1, 9.6.0.1-jakarta
  • every version up to 8.6.4.2: fixed in 8.6.4.2
  • 9.0.0.0 up to 9.0.1.3: fixed in 9.0.1.3
  • 9.5.0.0 up to 9.5.1.4: fixed in 9.5.1.4
  • 9.6.0.0 up to 9.6.0.2: fixed in 9.6.0.2
  • 9.6.1 up to 9.6.2: fixed in 9.6.2
—

Data Freshness Timeline

(refreshed 2× in last 7d / 28× 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.

Showing the most recent 100 of 132 total refreshes for this CVE.

  1. 2026-10-08 01:14 UTCEG score recompute
  2. 2026-10-07 23:45 UTCEPSS rescore
  3. 2026-10-01 20:37 UTCEG score recompute
  4. 2026-10-01 19:47 UTCEPSS rescore
  5. 2026-09-30 15:35 UTCEG score recompute
  6. 2026-09-30 15:00 UTCEPSS rescore
  7. 2026-09-29 17:47 UTCEG score recompute
  8. 2026-09-29 15:16 UTCEPSS rescore
  9. 2026-09-28 23:36 UTCEG score recompute
  10. 2026-09-27 21:51 UTCCISA KEV update
  11. 2026-09-25 19:35 UTCCISA KEV update
  12. 2026-09-25 14:55 UTCCISA KEV update
  13. 2026-09-24 19:31 UTCCISA KEV update
  14. 2026-09-22 19:36 UTCCISA KEV update
  15. 2026-09-22 14:57 UTCEG score recompute
  16. 2026-09-22 14:45 UTCEPSS rescore
  17. 2026-09-21 20:50 UTCEG score recompute
  18. 2026-09-21 19:09 UTCCISA KEV update
  19. 2026-09-18 19:20 UTCCISA KEV update
  20. 2026-09-18 14:15 UTCCISA KEV update
  21. 2026-09-17 22:25 UTCEG score recompute
  22. 2026-09-17 19:24 UTCEPSS rescore
  23. 2026-09-16 14:10 UTCCISA KEV update
  24. 2026-09-14 19:24 UTCCISA KEV update
  25. 2026-09-12 15:26 UTCEG score recompute
Show 75 more
  1. 2026-09-12 14:57 UTCEPSS rescore
  2. 2026-09-11 18:49 UTCCISA KEV update
  3. 2026-09-10 19:28 UTCCISA KEV update
  4. 2026-09-10 12:39 UTCEG score recompute
  5. 2026-09-09 19:08 UTCCISA KEV update
  6. 2026-09-08 18:54 UTCCISA KEV update
  7. 2026-09-06 14:10 UTCEG score recompute
  8. 2026-09-06 13:45 UTCEPSS rescore
  9. 2026-09-05 16:26 UTCEG score recompute
  10. 2026-09-05 15:25 UTCEPSS rescore
  11. 2026-09-04 17:38 UTCCISA KEV update
  12. 2026-09-02 17:33 UTCCISA KEV update
  13. 2026-09-02 15:34 UTCEG score recompute
  14. 2026-09-02 14:09 UTCEPSS rescore
  15. 2026-08-31 14:19 UTCCISA KEV update
  16. 2026-08-30 22:06 UTCEG score recompute
  17. 2026-08-30 19:14 UTCEPSS rescore
  18. 2026-08-28 22:56 UTCEG score recompute
  19. 2026-08-28 21:38 UTCEPSS rescore
  20. 2026-08-27 17:46 UTCEG score recompute
  21. 2026-08-27 17:22 UTCCISA KEV update
  22. 2026-08-27 14:22 UTCEPSS rescore
  23. 2026-08-26 17:41 UTCCISA KEV update
  24. 2026-08-24 18:52 UTCCISA KEV update
  25. 2026-08-24 17:12 UTCEG score recompute
  26. 2026-08-24 14:13 UTCEPSS rescore
  27. 2026-08-24 09:58 UTCEG score recompute
  28. 2026-08-21 16:49 UTCCISA KEV update
  29. 2026-08-20 17:06 UTCCISA KEV update
  30. 2026-08-19 17:40 UTCEG score recompute
  31. 2026-08-19 17:33 UTCCISA KEV update
  32. 2026-08-19 17:01 UTCEPSS rescore
  33. 2026-08-18 16:58 UTCCISA KEV update
  34. 2026-08-17 13:56 UTCCISA KEV update
  35. 2026-08-15 04:48 UTCEG score recompute
  36. 2026-08-15 01:27 UTCEPSS rescore
  37. 2026-08-11 19:32 UTCCISA KEV update
  38. 2026-08-10 16:14 UTCEG score recompute
  39. 2026-08-10 14:08 UTCEPSS rescore
  40. 2026-08-09 14:55 UTCEG score recompute
  41. 2026-08-09 13:44 UTCEPSS rescore
  42. 2026-08-08 17:13 UTCEG score recompute
  43. 2026-08-08 16:34 UTCEPSS rescore
  44. 2026-08-07 17:09 UTCCISA KEV update
  45. 2026-08-05 17:25 UTCCISA KEV update
  46. 2026-08-04 17:02 UTCCISA KEV update
  47. 2026-08-03 19:22 UTCCISA KEV update
  48. 2026-07-30 11:58 UTCEG score recompute
  49. 2026-07-29 19:27 UTCCISA KEV update
  50. 2026-07-27 19:24 UTCCISA KEV update
  51. 2026-07-27 17:17 UTCCISA KEV update
  52. 2026-07-26 12:55 UTCEG score recompute
  53. 2026-07-26 01:59 UTCEG score recompute
  54. 2026-07-25 14:15 UTCEPSS rescore
  55. 2026-07-25 14:15 UTCEPSS rescore
  56. 2026-07-23 02:12 UTCEG score recompute
  57. 2026-07-22 21:42 UTCEG score recompute
  58. 2026-07-22 19:40 UTCCISA KEV update
  59. 2026-07-21 14:37 UTCCISA KEV update
  60. 2026-07-16 17:04 UTCCISA KEV update
  61. 2026-07-15 16:49 UTCCISA KEV update
  62. 2026-07-15 15:04 UTCCISA KEV update
  63. 2026-07-14 18:05 UTCCISA KEV update
  64. 2026-07-13 22:28 UTCEPSS rescore
  65. 2026-07-13 22:28 UTCEPSS rescore
  66. 2026-07-13 17:07 UTCCISA KEV update
  67. 2026-07-13 06:11 UTCEPSS rescore
  68. 2026-07-13 06:11 UTCEPSS rescore
  69. 2026-07-11 08:25 UTCEPSS rescore
  70. 2026-07-10 17:52 UTCCISA KEV update
  71. 2026-07-09 19:08 UTCEPSS rescore
  72. 2026-07-07 19:01 UTCCISA KEV update
  73. 2026-07-07 17:16 UTCCISA KEV update
  74. 2026-07-01 19:16 UTCCISA KEV update
  75. 2026-06-29 19:12 UTCCISA KEV update

Publicly available exploits

(3 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCagnihackers/CVE-2022-36537-EXPLOIT
    First seen Dec 9, 2022

    CVE-2022-36537

    Open source ↗
  • GitHub PoCMalwareman007/CVE-2022-36537
    First seen Dec 9, 2022

    POC of CVE-2022-36537

    Open source ↗
  • Nucleihttp/cves/2022/CVE-2022-36537.yaml
    First seen Jan 1, 2022

    ZK Framework - Information Disclosure

    Open source ↗

Frequently asked(6)

What is CVE-2022-36537?
CVE-2022-36537 is a critical vulnerability published on August 26, 2022. ZK Framework v9.6.1, 9.6.0.1, 9.5.1.3, 9.0.1.2 and 8.6.4.1 allows attackers to access sensitive information via a crafted POST request sent to the component AuUploader.
When was CVE-2022-36537 disclosed?
CVE-2022-36537 was first published on August 26, 2022, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-36537 actively exploited?
Yes. CISA added CVE-2022-36537 to the Known Exploited Vulnerabilities catalog on February 27, 2023, affecting ZK Framework AuUploader. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate attention. A fix is available. Apply it.
What is the CVSS score of CVE-2022-36537?
CVE-2022-36537 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0 (CRITICAL).
Which products are affected by CVE-2022-36537?
CVE-2022-36537 affects ZK Framework AuUploader. The affected packages EchelonGraph has on record, with version ranges, are listed in the Affected Packages section of this page.
How do I remediate CVE-2022-36537?
A fix for CVE-2022-36537 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

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