Known exploited vulnerability
CVE-2022-36537
The short answer
CVE-2022-36537 affects n/a n/a and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-02-27: attackers are using it, so patch it first. Fixed versions are published for zk (8.6.4.2, 9.0.1.3, 9.5.1.4).
What it is
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.
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploited (CISA KEV)
Yes, since Feb 27, 2023
Federal due date Mar 20, 2023
EPSS, next 30 days
95%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected packages and fixed versions
| Package | Ecosystem | Fixed in | Advisory |
|---|---|---|---|
| org.zkoss.zk:zk | Maven | 8.6.4.2, 9.0.1.3, 9.5.1.4, 9.6.0.2, 9.6.2 | GHSA-6278-2q4m-cmf3 |
Is it in your code? Drop your lockfile into the free vulnerability check, or let vulnerability watch check your repository every day and open the upgrade as a pull request.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- tracker.zkoss.org/browse/ZK-5150 Issue TrackingPatchVendor Advisory
- www.bleepingcomputer.com/news/security/cisa-warns-of-hackers-exploiting-zk-java-framework-rce-flaw/ Third Party Advisory
- tracker.zkoss.org/browse/ZK-5150 Issue TrackingPatchVendor Advisory
- www.bleepingcomputer.com/news/security/cisa-warns-of-hackers-exploiting-zk-java-framework-rce-flaw/ Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-36537 US Government Resource
Questions
Is CVE-2022-36537 being exploited?
Yes. CISA added CVE-2022-36537 to its Known Exploited Vulnerabilities catalog on 2023-02-27, with a federal remediation due date of 2023-03-20. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2022-36537?
Upgrade to a fixed version: org.zkoss.zk:zk (Maven) 8.6.4.2 or 9.0.1.3 or 9.5.1.4 or 9.6.0.2 or 9.6.2. CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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