How severe is CVE-2025-4949?

CVE-2025-4949 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-4949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4949?

CVE-2025-4949 affects Eclipse Jgit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4949?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-4949 have an EU (EUVD) identifier?

Yes. CVE-2025-4949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15988.

When was CVE-2025-4949 published?

CVE-2025-4949 was published on 2025-05-21 and last updated on 2026-06-17.

CVE-2025-4949

CVE-2025-4949 is a medium-severity vulnerability in Eclipse Jgit with a CVSS 3.x base score of 5.3. 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-611.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.8
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-15988
Weakness: CWE-611
Affected product: Eclipse Jgit
Published: 2025-05-21
Last modified: 2026-06-17

Description

In Eclipse JGit versions 7.2.0.202503040940-r and older, the ManifestParser class used by the repo command and the AmazonS3 class used to implement the experimental amazons3 git transport protocol allowing to store git pack files in an Amazon S3 bucket, are vulnerable to XML External Entity (XXE) attacks when parsing XML files. This vulnerability can lead to information disclosure, denial of service, and other security issues.

Frequently asked questions

What is CVE-2025-4949?: In Eclipse JGit versions 7.2.0.202503040940-r and older, the ManifestParser class used by the repo command and the AmazonS3 class used to implement the experimental amazons3 git transport protocol allowing to store git pack files in an Amazon S3 bucket, are vulnerable to XML External Entity (XXE) attacks when parsing XML files. This vulnerability can lead to information disclosure, denial of service, and other security issues.
How severe is CVE-2025-4949?: CVE-2025-4949 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-4949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4949?: CVE-2025-4949 affects Eclipse Jgit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4949?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4949 have an EU (EUVD) identifier?: Yes. CVE-2025-4949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15988.
When was CVE-2025-4949 published?: CVE-2025-4949 was published on 2025-05-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:*

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