What is CVE-2022-36537?

CVE-2022-36537 is a high-severity vulnerability in Zkoss Zk_framework. CVSS score: 7.5/10. Published 2022-08-26.

How severe is CVE-2022-36537?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-36537 known to be exploited?

Yes. CVE-2022-36537 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-02-27), indicating it is being actively exploited. 19 public proof-of-concept repositories are indexed.

Vulnerability in Zkoss Zk_framework

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.

EPSS: 0.953 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Zkoss Zk_framework
N/a — versions n/a

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-02-27. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-03-20.

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

cve@mitre.org (Patch, Issue Tracking, Vendor Advisory)
cve@mitre.org (Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2022-36537?: CVE-2022-36537 is a high-severity vulnerability in Zkoss Zk_framework. CVSS score: 7.5/10. Published 2022-08-26.
How severe is CVE-2022-36537?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-36537 known to be exploited?: Yes. CVE-2022-36537 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-02-27), indicating it is being actively exploited. 19 public proof-of-concept repositories are indexed.