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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.954 (99.9th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.954 · newest: 0.954 · change: 0.000
Affected products
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . 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: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- tracker.zkoss.org/browse/ZK-5150 (Patch, Issue Tracking, Vendor Advisory)
- www.bleepingcomputer.com/news/security/cisa-warns-of-hackers-exploiting-zk-java… (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.