CVE-2022-36009
Incorrect event parsing in github.com/matrix-org/gomatrixserverlib
5.0
MEDIUM
CVSS 3.1
EPSS 0.62%
Description
Power level parsing does not parse the "events_default" key of the m.room.power_levels event, setting the event default power level to zero in all cases. This can cause events to be improperly accepted or rejected in rooms where the event_default power level has been changed.
How to fix CVE-2022-36009
To remediate CVE-2022-36009, upgrade the affected package to a fixed version below.
- —upgrade to 0.9.3 or later
- —upgrade to 0.0.0-20220815091947-723fd495dde8 or later
- —upgrade to 0.0.0-20220815091947-723fd495dde8 or later
Is CVE-2022-36009 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 0.9.3
- from 0, < 0.0.0-20220815091947-723fd495dde8
- from 0, < 0.0.0-20220815091947-723fd495dde8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L |