CVE-2022-39335 affects Synapse homeservers up to version 1.68.0, where a flaw in the Matrix Federation API allows remote homeservers to access authorization events without proper access checks. This medium-severity vulnerability (CVSS 5.0) has a network attack vector and high attack complexity, potentially leading to limited confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.69.0CPE matchmatch criteria | cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Retroactive Security Advisories for Synapse
Jul 10, 2023Synapse does not apply enough checks to servers requesting auth events of events in a room
May 24, 2023Synapse vulnerability related to federation
May 24, 2023Retroactive Security Advisories for Synapse
May 23, 2023