VDB
CVE-2018-12291
CVE-2018-12291
PUBLISHED
CVSS 7.5 HIGH
The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
EPSS 1.82% · 77.9th percentile
Risk Scores
CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
1.82%
77.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:18.04:LTS | matrix-synapse | 0, 0.19.2+dfsg-6, 0.24.0+dfsg-1 |
Timeline
- Jun 13, 2018 CVE Published
- Oct 3, 2019 CVE Updated
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Mar 2, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Jul 6, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
- Nov 10, 2022 EPSS Score
- Jan 12, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-12291 third-party-advisory
- https://github.com/matrix-org/synapse/pull/3371 third-party-advisory
- https://github.com/matrix-org/synapse/releases/tag/v0.31.1 third-party-advisory
- https://ubuntu.com/security/notices/USN-6076-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-12291 third-party-advisory