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CVE-2020-13900

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_sdp_preparse in sdp.c has a NULL pointer dereference.

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
None
Integrity
None
Availability
High

Exploit likelihood

2.43%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_sdp_preparse in sdp.c has a NULL pointer dereference.

Record
CVE-2020-13900
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_preparse in sdp.c has a NULL pointer dereference.

Record
CVE-2020-13900
Updated
2026-11-02
EUVDEUVD-2020-6108 No score

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_preparse in sdp.c has a NULL pointer dereference.

Record
EUVD-2020-6108
Updated
2026-11-03
GitHub AdvisoriesGHSA-6743-fx46-j8w6 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_sdp_preparse in sdp.c has a NULL pointer dereference.

Record
GHSA-6743-fx46-j8w6
Weakness
CWE-476
Updated
2026-11-02
OSV 7.5

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_preparse in sdp.c has a NULL pointer dereference.

Record
CVE-2020-13900
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-13900 7.5

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_preparse in sdp.c has a NULL pointer dereference.

Record
DEBIAN-CVE-2020-13900
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-13900 7.5

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_preparse in sdp.c has a NULL pointer dereference.

Record
UBUNTU-CVE-2020-13900
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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-2020-13900 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 2.43%, the 84th percentile. Fixed in janus 0.10.1-1.

References

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