CVE-2025-35434
MEDIUMCISA Thorium < 1.1.2 - Unauthenticated TLS Certificate Validation Bypass in Elasticsearch Connection
Title source: llmDescription
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.
References (4)
Core 4
Core References
Product
https://github.com/cisagov/thorium/blob/main/api/src/models/backends/setup/elastic_setup.rs#L36-L43
Release Notes
https://github.com/cisagov/thorium/releases/tag/1.1.2
Vendor Advisory
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json
Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-35434
Scores
CVSS v3
4.2
EPSS
0.0019
EPSS Percentile
8.6%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-295
Status
published
Products (1)
cisa/thorium
< 1.1.2
Published
Sep 17, 2025
Tracked Since
Feb 18, 2026