← Vulnerability feed

Vulnerability record · CVE-2021-26624 · published 1 April 2022

CVE-2021-26624: Escanav escan anti-virus improper input validation vulnerability

Escanav · Escan Anti Virus

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.

8.8 CVSS 3.1 High EPSS 2.4% · top 16.5% CWE-20 · Improper input validation
8.8CVSS 3.1 base score, v2 10.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

Track CVE-2021-26624 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-18388Escanav escan anti-virus vulnerabilityeScan Agent Application (MWAGENT.EXE) 4.0.2.98 in MicroWorld Technologies eScan 14.0 allows remote or local attackers to execute arbitrary commands b…EPSS 1.5%9.2CVE-2025-0798Escanav escan anti-virus command injection vulnerabilityA vulnerability was found in MicroWorld eScan Antivirus 7.0.32 on Linux. It has been rated as critical. This issue affects some unknown processing of…EPSS 6.9%7.8CVE-2023-4383Escanav escan anti-virus incorrect permission assignment vulnerabilityA vulnerability, which was classified as critical, was found in MicroWorld eScan Anti-Virus 7.0.32 on Linux. This affects an unknown part of the file…EPSS 0.31%5.5CVE-2023-2875Escanav escan anti-virus null pointer dereference vulnerabilityA vulnerability, which was classified as problematic, was found in eScan Antivirus 22.0.1400.2443. Affected is the function 0x22E008u in the library …EPSS 0.33%4.8CVE-2025-1370Escanav escan anti-virus command injection vulnerabilityA vulnerability, which was classified as critical, has been found in MicroWorld eScan Antivirus 7.0.32 on Linux. Affected by this issue is the functi…EPSS 2.4%4.8CVE-2025-1367Escanav escan anti-virus memory buffer overflow vulnerabilityA vulnerability was found in MicroWord eScan Antivirus 7.0.32 on Linux. It has been classified as critical. This affects the function sprintf of the …EPSS 0.36%4.8CVE-2025-1366Escanav escan anti-virus memory buffer overflow vulnerabilityA vulnerability was found in MicroWord eScan Antivirus 7.0.32 on Linux and classified as critical. Affected by this issue is the function strcpy of t…EPSS 0.34%4.8CVE-2025-1364Escanav escan anti-virus memory buffer overflow vulnerabilityA vulnerability has been found in MicroWord eScan Antivirus 7.0.32 on Linux and classified as critical. Affected by this vulnerability is the functio…EPSS 0.37%

Source: NIST National Vulnerability Database (record CVE-2021-26624), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.