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CVE-2020-13899

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0....

7.5 HighFix available

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_process_incoming_request in janus.c discloses information from uninitialized stack memory.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

2.20%Up 1.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_process_incoming_request in janus.c discloses information from uninitialized stack memory.

Record
CVE-2020-13899
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-908
Updated
2026-11-02
CVE List No score

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_process_incoming_request in janus.c discloses information from uninitialized stack memory.

Record
CVE-2020-13899
Updated
2026-11-02
EUVDEUVD-2020-6107 No score

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_process_incoming_request in janus.c discloses information from uninitialized stack memory.

Record
EUVD-2020-6107
Updated
2026-11-03
GitHub AdvisoriesGHSA-x6c3-mvjq-f4mg No score

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0....

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_process_incoming_request in janus.c discloses information from uninitialized stack memory.

Record
GHSA-x6c3-mvjq-f4mg
Weakness
CWE-909
Updated
2026-11-02
OSV 7.5

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_process_incoming_request in janus.c discloses information from uninitialized stack memory.

Record
CVE-2020-13899
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2020-13899 7.5

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_process_incoming_request in janus.c discloses information from uninitialized stack memory.

Record
DEBIAN-CVE-2020-13899
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2020-13899 7.5

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_process_incoming_request in janus.c discloses information from uninitialized stack memory.

Record
UBUNTU-CVE-2020-13899
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
janus
Debian:12
 before 0.10.1-1
0.10.1-1
janus
Debian:14
 before 0.10.1-1, plus listed versions
0.10.0-10.2.2+dfsg-10.2.2+dfsg-20.2.2+dfsg-30.2.2+dfsg-4
Show 30 moreShow less
0.2.2+dfsg-5~exp10.2.2+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+20200313-10.9.1-10.9.2-10.9.2-1~bpo10+10.9.3-10.9.4-10.9.5-1
0.10.1-1
janus
Ubuntu: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
janus
Ubuntu:20.04:LTS
 All versions, plus listed versions
0.7.3-20.7.3-2build1
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-13899 is a high vulnerability (CVSS 7.5) in Meetecho Janus, published June 10, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.20%, the 82nd percentile. Fixed in janus 0.10.1-1.

References

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