How severe is CVE-2025-35471?

CVE-2025-35471 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-35471 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-35471?

CVE-2025-35471 primarily affects Conda-forge Miniforge. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-35471?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-35471 have an EU (EUVD) identifier?

Yes. CVE-2025-35471 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14377.

When was CVE-2025-35471 published?

CVE-2025-35471 was published on 2025-05-13 and last updated on 2026-06-17.

CVE-2025-35471

CVE-2025-35471 is a high-severity vulnerability in Conda-forge Miniforge with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v4: 7.0
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14377
Weakness: CWE-427
Affected product: Conda-forge Miniforge
Published: 2025-05-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-35471?: 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.
How severe is CVE-2025-35471?: CVE-2025-35471 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-35471 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-35471?: CVE-2025-35471 primarily affects Conda-forge Miniforge. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-35471?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-35471 have an EU (EUVD) identifier?: Yes. CVE-2025-35471 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14377.
When was CVE-2025-35471 published?: CVE-2025-35471 was published on 2025-05-13 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:conda-forge:miniforge:*:*:*:*:*:*:*:*
cpe:2.3:a:conda-forge:openssl-feedstock:*:*:*:*:*:*:*:*

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