CVE-2025-27510
Published: 04 March 2025
Summary
CVE-2025-27510 is a uncategorised-severity Inclusion of Functionality from Untrusted Control Sphere (CWE-829) vulnerability. Its CVSS base score is N/A.
Operationally, exploitation aligns with the MITRE ATT&CK technique Compromise Software Dependencies and Development Tools (T1195.001); ranked in the top 9.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 CM-14 (Signed Components) and SR-11 (Component Authenticity).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Requires verification of component authenticity prior to use, directly preventing execution of malicious code from threat actors hijacking unclaimed package names like conda-oci-mirror.
Mandates digital signatures and enforcement for software components before installation and execution, mitigating RCE risks from untrusted optional dependencies.
Requires proof of provenance for components, ensuring unclaimed and unproven packages like conda-oci-mirror are not trusted or incorporated.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The CVE describes inclusion of an unclaimed optional dependency (CWE-829) that an attacker can register on PyPI with malicious code, directly enabling compromise of software dependencies for RCE.
NVD Description
conda-forge-metadata provides programatic access to conda-forge's metadata. conda-forge-metadata uses an optional dependency - "conda-oci-mirror" which was neither present on the PyPi repository nor registered by any entity. If conda-oci-mirror is taken over by a threat actor, it can result in…
more
remote code execution.
Deeper analysisAI
CVE-2025-27510 is a vulnerability in the conda-forge-metadata package, which provides programmatic access to conda-forge's metadata. The issue arises from an optional dependency on "conda-oci-mirror", a package name that was neither present on the PyPI repository nor registered by any entity. This configuration aligns with CWE-829 (Inclusion of Functionality from Untrusted Control Sphere), creating a risk where a threat actor could claim the package name and introduce malicious code, potentially resulting in remote code execution.
The vulnerability can be exploited by any threat actor who registers the unclaimed "conda-oci-mirror" package on PyPI and uploads a malicious version. Users of conda-forge-metadata who enable or install this optional dependency are at risk, as it would lead to execution of the attacker's code on their systems, enabling remote code execution.
Mitigation details are outlined in the GitHub security advisory GHSA-vwfh-m3q7-9jpw for conda-forge-metadata, available at https://github.com/conda-forge/conda-forge-metadata/security/advisories/GHSA-vwfh-m3q7-9jpw. The dependency is declared in the project's pyproject.toml file at https://github.com/conda-forge/conda-forge-metadata/blob/799aee36b21ee06289d73d57838b28201f5a57af/pyproject.toml#L28.
Details
- CWE(s)