CVE-2020-10577
An issue was discovered in Janus through 0.9.1. janus.c has multiple concurrent threads that...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-10577- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-10577- Updated
- 2026-11-02
EUVDEUVD-2020-3028 No score
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.
- Record
EUVD-2020-3028- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pqrj-9mq3-j4h7
An issue was discovered in Janus through 0.9.1. janus.c has multiple concurrent threads that...
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.
- Record
GHSA-pqrj-9mq3-j4h7- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-362
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-10577- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-10577
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.
- Record
DEBIAN-CVE-2020-10577- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-10577
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.
- Record
UBUNTU-CVE-2020-10577- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
janusDebian:12 |
before 0.9.2-1 | 0.9.2-1 |
janusDebian:14 |
before 0.9.2-1, plus listed versions 0.2.2+dfsg-10.2.2+dfsg-20.2.2+dfsg-30.2.2+dfsg-40.2.2+dfsg-5~exp1 Show 25 moreShow less0.2.2+dfsg-5~exp20.2.2+dfsg-5~exp30.2.3-10.2.4-10.2.4-20.2.5-10.2.6-10.3.1-10.4.2-10.4.4-10.4.5-10.4.5-20.5.0-10.6.0-10.6.0-20.6.1-10.6.2-10.6.3-10.7.2-10.7.2-20.7.3-10.7.3-20.9.1+20200313-10.9.1-10.9.2-1~bpo10+1 |
0.9.2-1 |
janusUbuntu:18.04:LTS |
All versions, plus listed versions 0.2.4-20.2.5-10.2.6-10.2.6-1build10.2.6-1build2 |
None known |
janusUbuntu:20.04:LTS |
All versions, plus listed versions 0.7.3-20.7.3-2build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-10577 is a medium vulnerability (CVSS 4.8) in Meetecho Janus, published March 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. Fixed in janus 0.9.2-1.