Description

conda-forge openssl-feedstock before 066e83c (2024-05-20), on Microsoft Windows, configures OpenSSL to use an OPENSSLDIR file path that can be written to by non-privilged local users. By writing a specially crafted openssl.cnf file in OPENSSLDIR, a non-privileged local user can execute arbitrary code with the privileges of the user or process loading openssl-feedstock DLLs. Miniforge before 24.5.0 is also affected.

Classification

CVE ID: CVE-2025-35471

CVSS Base Severity: HIGH

CVSS Base Score: 7.3

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

Affected Products

Vendor: conda-forge

Product: miniforge, openssl-feedstock

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.01% (probability of being exploited)

EPSS Percentile: 1.56% (scored less or equal to compared to others)

EPSS Date: 2025-06-06 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-35471
https://github.com/conda-forge/openssl-feedstock/commit/066e83c5226bafe90a9c0575b077ce30cd5f5921
https://github.com/conda-forge/openssl-feedstock/issues/201

Timeline