CVE-2022-36009 is a high-severity vulnerability affecting gomatrixserverlib and Dendrite, a Matrix homeserver. It stems from a parsing error in gomatrixserverlib that incorrectly defaults the "events_default" power level to zero, potentially leading to incorrect authorization or rejection of events in Matrix rooms where this power level was customized. With a CVSS score of 8.8 (High), this vulnerability allows an authenticated attacker to achieve high confidentiality, integrity, and availability impacts with low attack complexity. There is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.9.2CPE matchmatch criteria | cpe:2.3:a:matrix:dendrite:*:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:matrix:gomatrixserverlib:-:*:*:*:*:*:*:* |
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
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