CVE-2020-13899

Name: CVE-2020-13899
Creator: NVD / NIST
Published: 2020-06-10T22:15:11.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.14%

Last modified Jun 17, 2026

CVE-2020-13899 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.14% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

2.14%

79.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-908

Affected Software

Vendor	Product	Versions
Meetecho	Janus	>= 0.9.0, <= 0.10.0

References

https://github.com/meetecho/janus-gateway/blob/v0.10.0/janus.c#L1326Third Party Advisory
https://github.com/meetecho/janus-gateway/pull/2214Patch, Third Party Advisory
https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13899Exploit, Third Party Advisory
https://github.com/meetecho/janus-gateway/blob/v0.10.0/janus.c#L1326Third Party Advisory
https://github.com/meetecho/janus-gateway/pull/2214Patch, Third Party Advisory
https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13899Exploit, Third Party Advisory

Timeline

Published: Jun 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13899?

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.

How severe is CVE-2020-13899?

CVE-2020-13899 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.14% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13899?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13899?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST