Vulnerability Description
CISA Thorium does not validate TLS certificates when connecting to Elasticsearch. An unauthenticated attacker with access to a Thorium cluster could impersonate the Elasticsearch service. Fixed in 1.1.2.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisa | Thorium | < 1.1.2 |
Related Weaknesses (CWE)
References
- https://github.com/cisagov/thorium/blob/main/api/src/models/backends/setup/elastProduct
- https://github.com/cisagov/thorium/releases/tag/1.1.2Release Notes
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/Vendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-35434Third Party Advisory
FAQ
What is CVE-2025-35434?
CVE-2025-35434 is a vulnerability with a CVSS score of 4.2 (MEDIUM). CISA Thorium does not validate TLS certificates when connecting to Elasticsearch. An unauthenticated attacker with access to a Thorium cluster could impersonate the Elasticsearch service. Fixed in 1.1...
How severe is CVE-2025-35434?
CVE-2025-35434 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-35434?
Check the references section above for vendor advisories and patch information. Affected products include: Cisa Thorium.