PT-2025-38233 · Cisa · Thorium

Published 2025-09-17 · Updated 2025-09-17 · CVE-2025-35434

Mitre

CVSS v3.1

4.2

4.2

Medium

Base vector

AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

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.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2025-35434

Affected Products

Thorium

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-35434 · Security Note
• https://cve.org/CVERecord?id=CVE-2025-35434 · Security Note
• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json · Note
• https://github.com/cisagov/thorium/releases/tag/1.1.2 · Note
• https://github.com/cisagov/thorium/blob/main/api/src/models/backends/setup/elastic_setup.rs#L36-L43 · Note