CVE-2021-26936

Name: CVE-2021-26936
Creator: NVD / NIST
Published: 2021-02-10T18:15:13.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2021-26936 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The replay-sorcery program in ReplaySorcery 0.4.0 through 0.5.0, when using the default setuid-root configuration, allows a local attacker to escalate privileges to root by specifying video output paths in privileged locations.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

The replay-sorcery program in ReplaySorcery 0.4.0 through 0.5.0, when using the default setuid-root configuration, allows a local attacker to escalate privileges to root by specifying video output paths in privileged locations.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.51%

39.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Replaysorcery Project	Replaysorcery	>= 0.4.0, <= 0.5.0

References

http://www.openwall.com/lists/oss-security/2021/02/10/1Exploit, Mailing List, Patch, Third Party Advisory
https://github.com/matanui159/ReplaySorcery/releasesRelease Notes, Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/10/1Exploit, Mailing List, Patch, Third Party Advisory
https://github.com/matanui159/ReplaySorcery/releasesRelease Notes, Third Party Advisory

Timeline

Published: Feb 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26936?

How severe is CVE-2021-26936?

CVE-2021-26936 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26936?

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-2021-26936?

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

Scan your code now

Source: NVD / NIST