CVE-2025-4949
Eclipse JGit S3 XML External Entity (XXE) Vulnerability
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.
INFO
Published Date :
May 21, 2025, 7:16 a.m.
Last Modified :
Aug. 25, 2025, 12:08 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Eclipse JGit to a version later than 7.2.0.202503040940-r.
- Review and sanitize all XML files processed by JGit.
- Disable S3 transport if not actively used and secured.
- Validate input to ManifestParser and AmazonS3.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-4949.
| URL | Resource |
|---|---|
| https://gitlab.eclipse.org/security/cve-assignement/-/issues/64 | Issue Tracking Vendor Advisory |
| https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/281 | Exploit Issue Tracking |
| https://projects.eclipse.org/projects/technology.jgit/releases/6.10.1 | Release Notes |
| https://projects.eclipse.org/projects/technology.jgit/releases/7.0.1 | Release Notes |
| https://projects.eclipse.org/projects/technology.jgit/releases/7.1.1 | Release Notes |
| https://projects.eclipse.org/projects/technology.jgit/releases/7.2.1 | Release Notes |
| https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/281 | Exploit Issue Tracking |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-4949 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-4949
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-4949 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-4949 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Reanalysis by [email protected]
Aug. 25, 2025
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:* versions up to (including) 7.2.0.202503040940-r OR *cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:* versions up to (excluding) 6.10.1.202505221210 *cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.0.1.202505221510 *cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:* versions from (including) 7.1.0 up to (excluding) 7.1.1.202505221757 *cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:* versions from (including) 7.2.0 up to (excluding) 7.2.1.202505142326 -
Initial Analysis by [email protected]
Jun. 17, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-611 Added CPE Configuration OR *cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:* versions up to (including) 7.2.0.202503040940-r Added Reference Type Eclipse Foundation: https://gitlab.eclipse.org/security/cve-assignement/-/issues/64 Types: Issue Tracking, Vendor Advisory Added Reference Type CISA-ADP: https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/281 Types: Exploit, Issue Tracking Added Reference Type Eclipse Foundation: https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/281 Types: Exploit, Issue Tracking Added Reference Type Eclipse Foundation: https://projects.eclipse.org/projects/technology.jgit/releases/6.10.1 Types: Release Notes Added Reference Type Eclipse Foundation: https://projects.eclipse.org/projects/technology.jgit/releases/7.0.1 Types: Release Notes Added Reference Type Eclipse Foundation: https://projects.eclipse.org/projects/technology.jgit/releases/7.1.1 Types: Release Notes Added Reference Type Eclipse Foundation: https://projects.eclipse.org/projects/technology.jgit/releases/7.2.1 Types: Release Notes -
CVE Modified by [email protected]
May. 23, 2025
Action Type Old Value New Value Added Reference https://projects.eclipse.org/projects/technology.jgit/releases/6.10.1 Added Reference https://projects.eclipse.org/projects/technology.jgit/releases/7.0.1 Added Reference https://projects.eclipse.org/projects/technology.jgit/releases/7.1.1 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 21, 2025
Action Type Old Value New Value Added Reference https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/281 -
New CVE Received by [email protected]
May. 21, 2025
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:D/RE:L/U:Green Added CWE CWE-611 Added CWE CWE-827 Added Reference https://gitlab.eclipse.org/security/cve-assignement/-/issues/64 Added Reference https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/281 Added Reference https://projects.eclipse.org/projects/technology.jgit/releases/7.2.1