Exploited vulnerability · CISA KEV

Is CVE-2022-26352 exploited? Yes: in CISA KEV since 25 Aug 2022

Gociux · dotCMS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2022-26352, dotCMS Unrestricted Upload of File Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Aug 2022, 39 days after it was published. It is known to be used in ransomware campaigns. It affects dotCMS. If you run it, CISA's required action is: Apply updates per vendor instructions.

What it is

dotCMS ContentResource API contains an unrestricted upload of file with a dangerous type vulnerability that allows for directory traversal, in which the file is saved outside of the intended storage location. Exploitation allows for remote code execution.

What to do

1. Check whether you run it. Look for dotCMS in your asset inventory, including appliances and cloud images. Stack check lists every exploited dotCMS CVE at once.
2. Apply the fix. Apply updates per vendor instructions.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 17 Jul 2022.
4. Get told next time. Email alerts when CISA adds a CVE for dotCMS.

References

• www.dotcms.com/security/SI-62
• nvd.nist.gov/vuln/detail/CVE-2022-26352

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in August 2022 · act-now radar.