PatchTheCVECVE-2024-36402: Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix
CVE-2024-36402 is a medium-severity flaw (CVSS 5.3) affecting matrix-media-repo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. MMR before version 1.3.5 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 53%) |
| CISA exploited list | No |
| Weakness | CWE-287 |
| Published | 2025-01-16 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-36402?
matrix-media-repo: upgrade to 1.3.5. Exact commands for each OS are on this page.
Is CVE-2024-36402 being exploited?
CVE-2024-36402 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-36402 affect?
CVE-2024-36402 affects matrix-media-repo. Severity is medium (CVSS 5.3). Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. MMR before version 1.3.5 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote h
How urgent is CVE-2024-36402?
Priority 35/100. Remotely exploitable, no login, no user action
Related CVEs
- CVE-2024-56515 MEDIUM 6.8 UPGRADE Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix
- CVE-2024-52791 MEDIUM 5.3 UPGRADE Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix
- CVE-2024-52602 MEDIUM 5.0 UPGRADE Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix
- CVE-2024-36403 MEDIUM 5.3 UPGRADE Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix