Server-Side Request Forgery (SSRF) on redirects and federation in Matrix Media Repo
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5epss 0.6%
exploitation probability
0.6%top 54% of all CVEs
observed exploitation
nono source reports it
Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. Matrix Media Repo (MMR) is vulnerable to server-side request forgery, serving content from a private network it can access, under certain conditions. This is fixed in MMR v1.3.8. Users are advised to upgrade. Restricting which hosts MMR is allowed to contact via (local) firewall rules or a transparent proxy and may provide a workaround for users unable to upgrade.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Affected products
t2bot · matrix-media-repoReferences
https://github.com/t2bot/matrix-media-repo/releases/tag/v1.3.8https://github.com/t2bot/matrix-media-repo/security/advisories/GHSA-r6jg-jfv6-2fjvhttps://learn.snyk.io/lesson/ssrf-server-side-request-forgeryhttps://owasp.org/www-community/attacks/Server_Side_Request_Forgeryhttps://www.agwa.name/blog/post/preventing_server_side_request_forgery_in_golang