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CVE-2024-56515

18
FAUCET Score

CVE-2024-56515 affects Matrix Media Repo (MMR) versions prior to 1.3.8, where specially crafted SVG, JPEGXL, or MP4 files could lead to remote code execution through vulnerable ImageMagick or ffmpeg decoders if their respective thumbnailers are enabled. This medium-severity vulnerability (CVSS 6.5) has a network attack vector with low complexity, allowing an authenticated attacker to achieve high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.8CPE matchmatch criteria
cpe:2.3:a:t2bot:matrix-media-repo:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 57th percentile among its peer group of 21,957 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: github.com/t2bot/matrix-media-repoFixed in: 1.3.8
github_advisoryworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-rcxc-wjgw-579rmedium

Matrix Media Repo (MMR) allows untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders

Jan 16, 2025

References

github.com / t2bot/matrix-media-repo/releases/tag/v1.3.8
Release Notes
github.com / t2bot/matrix-media-repo/security/advisories/GHSA-rcxc-wjgw-579r
MitigationVendor Advisory