CVE-2025-35434 MEDIUM

CVE-2025-35434: CISA Thorium does not validate TLS connections to Elasticsearch

Vendor Cisa
Product Thorium
Weakness CWE-295
Published September 17, 2025
Last update September 30, 2025
View on NVD All CVEs

CVSS base score

4.2/10
Attack vector Adjacent
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 17, 2025 CVE published
September 30, 2025 Record updated