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ExploitedIn CISA KEVFix available

CVE-2022-36537

Exploitation confirmed. First attested on 2023-02-27 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2022-08-26
  • Fixed in9.6.2 · 9.6.0.2 · 9.5.1.4 · 9.5.1.3 · 9.0.1.3 · 8.6.4.2

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2022-08-2620:15CVE publishedNVD
  2. 2023-02-27Added to the CISA KEV catalogCISA KEV
  3. 2023-02-27Listed as exploited by GCVEGCVE
  4. 2023-02-27Exploitation first reportedCISA KEV
  5. 2025-01-2915:40SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-36537?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-36537?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Zkoss zk framework
BranchAffectedFixed in
9.6≥ 9.6.0, < 9.6.29.6.2
9.6≥ 9.6.1, < 9.6.29.6.2
9.6≥ 9.6.0.0, < 9.6.0.29.6.0.2
9.5≥ 9.5.0.0, < 9.5.1.49.5.1.4
9.5≥ 9.5.0, < 9.5.1.39.5.1.3
9.0≥ 9.0.0, < 9.0.1.39.0.1.3
9.0≥ 9.0.0.0, < 9.0.1.39.0.1.3
8.6< 8.6.4.28.6.4.2

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Zkoss zk framework to 9.6.2 · 9.6.0.2 · 9.5.1.4 · 9.5.1.3 · 9.0.1.3 · 8.6.4.2
  2. CISA’s required action: Apply updates per vendor instructions.due 2023-03-20

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
3 repositories, unverifiedagnihackers/CVE-2022-36537-EXPLOITMalwareman007/CVE-2022-36537ethan-repo-lab4b6/CVE-2022-36537
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2023-02-27
Patch Due Date
2023-03-20
Ransomware Use
Known
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2022-08-26
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-6278-2q4m-cmf3

Frequently asked questions

What is CVE-2022-36537?

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.

Is CVE-2022-36537 actively exploited?

Yes. CVE-2022-36537 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-03-20.

What is the CVSS score for CVE-2022-36537?

CVE-2022-36537 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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