CVE-2020-14034

Name: CVE-2020-14034
Creator: NVD / NIST
Published: 2020-06-15T17:15:10.37+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.29%

Last modified Jun 17, 2026

CVE-2020-14034 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_get_codec_from_pt in utils.c has a Buffer Overflow via long value in an SDP Offer packet.. EPSS estimates a 2.29% 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_get_codec_from_pt in utils.c has a Buffer Overflow via long value in an SDP Offer packet.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.29%

81.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Meetecho	Janus	<= 0.10.0

References

https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L381Patch, Third Party Advisory
https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L401Patch, Third Party Advisory
https://github.com/meetecho/janus-gateway/pull/2229Third Party Advisory
https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L381Patch, Third Party Advisory
https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L401Patch, Third Party Advisory
https://github.com/meetecho/janus-gateway/pull/2229Third Party Advisory

Timeline

Published: Jun 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14034?

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_get_codec_from_pt in utils.c has a Buffer Overflow via long value in an SDP Offer packet.

How severe is CVE-2020-14034?

CVE-2020-14034 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.29% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14034?

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-2020-14034?

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

Scan your code now

Source: NVD / NIST