CVE-2021-28899

Name: CVE-2021-28899
Creator: NVD / NIST
Published: 2021-04-29T15:15:10.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2021-28899 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Vulnerability in the AC3AudioFileServerMediaSubsession, ADTSAudioFileServerMediaSubsession, and AMRAudioFileServerMediaSubsessionLive OnDemandServerMediaSubsession subclasses in Networks LIVE555 Streaming Media before 2021.3.16.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

Vulnerability in the AC3AudioFileServerMediaSubsession, ADTSAudioFileServerMediaSubsession, and AMRAudioFileServerMediaSubsessionLive OnDemandServerMediaSubsession subclasses in Networks LIVE555 Streaming Media before 2021.3.16.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.09%

61.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Live555	Streaming Media	< 2021.3.16

References

http://lists.live555.com/pipermail/live-devel/2021-March/021891.htmlMailing List, Vendor Advisory
http://lists.live555.com/pipermail/live-devel/2021-March/021891.htmlMailing List, Vendor Advisory

Timeline

Published: Apr 29, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28899?

How severe is CVE-2021-28899?

CVE-2021-28899 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28899?

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-2021-28899?

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

Scan your code now

Source: NVD / NIST