CVE-2025-66413
CVE-2025-66413 is a high-severity vulnerability in Gitforwindows Git with a CVSS 3.x base score of 7.4. 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-307.
Key facts
- Severity: High (CVSS 3.x base score 7.4)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-208534
- Weakness: CWE-307
- Affected product: Gitforwindows Git
- Published:
- Last modified:
Description
Git for Windows is the Windows port of Git. Prior to 2.53.0(2), it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user's account name and password. This vulnerability is fixed in 2.53.0(2).
Frequently asked questions
- What is CVE-2025-66413?
- Git for Windows is the Windows port of Git. Prior to 2.53.0(2), it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user's account name and password. This vulnerability is fixed in 2.53.0(2).
- How severe is CVE-2025-66413?
- CVE-2025-66413 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2025-66413 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-66413?
- CVE-2025-66413 affects Gitforwindows Git. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-66413?
- 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-2025-66413 have an EU (EUVD) identifier?
- Yes. CVE-2025-66413 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208534.
- When was CVE-2025-66413 published?
- CVE-2025-66413 was published on 2026-03-10 and last updated on 2026-06-17.
References
- https://github.com/git-for-windows/git/releases/tag/v2.53.0.windows.2
- https://github.com/git-for-windows/git/security/advisories/GHSA-hv9c-4jm9-jh3x
Affected products (1)
- cpe:2.3:a:gitforwindows:git:*:*:*:*:*:*:*:*
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