CVE-2021-26624

Name: CVE-2021-26624
Creator: NVD / NIST
Published: 2022-04-01T23:15:09.11+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.27%

Last modified Jun 17, 2026

CVE-2021-26624 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An local privilege escalation vulnerability due to a "runasroot" command in eScan Anti-Virus. This vulnerability is due to invalid arguments and insufficient execution conditions related to "runasroot" command. EPSS estimates a 2.27% chance of exploitation in the next 30 days.

Description

An local privilege escalation vulnerability due to a "runasroot" command in eScan Anti-Virus. This vulnerability is due to invalid arguments and insufficient execution conditions related to "runasroot" command. This vulnerability can induce remote attackers to exploit root privileges by manipulating parameter values.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.27%

80.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Escanav	Escan Anti-Virus	< 7.0.31

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66596Third Party Advisory
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66596Third Party Advisory

Timeline

Published: Apr 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26624?

How severe is CVE-2021-26624?

CVE-2021-26624 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.27% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26624?

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-2021-26624?

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

Scan your code now

Source: NVD / NIST