CVE-2020-10577 json
An issue was discovered in Janus through 0.9.1.
published 2020-03-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3028
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
An issue was discovered in Janus through 0.9.1. janus.c has multiple concurrent threads that misuse the source property of a session, leading to a race condition when claiming sessions.
Patch / fix
- janus Debian 14, Debian 12 0.9.2-1
debian advisories DEBIAN-CVE-2020-10577
- github.com/meetecho/janus-gateway#1990 pull request
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
References
-
github.com
/meetecho/janus-gateway/pull/1990
patch, third-party-advisory
Sources
- CVE List CVE-2020-10577
- NVD CVE-2020-10577
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.