VDB
CVE-2019-18835
CVE-2019-18835
PUBLISHED
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.
EPSS 0.19% · 40.9th percentile
Risk Scores
EPSS Score
0.19%
40.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:18.04:LTS | matrix-synapse | 0.24.0+dfsg-1, *, 0 |
Exploit Intelligence
Timeline
- Nov 7, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-18835 third-party-advisory
- https://github.com/matrix-org/synapse/pull/6262 third-party-advisory
- https://github.com/matrix-org/synapse/releases/tag/v1.5.0 third-party-advisory
- https://ubuntu.com/security/notices/USN-6076-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-18835 third-party-advisory