What is CVE-2021-26624?

CVE-2021-26624 is a high-severity vulnerability in Escanav Escan Anti-Virus, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-04-01.

How severe is CVE-2021-26624?

High severity. CVSS v3 base score is 7.8 out of 10.

Improper input validation in Escanav Escan Anti-Virus

CVE-2021-26624

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-04-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Escanav Escan Anti-Virus
Microworld Technologies Inc. Escan Anti-Virus For Linux — versions unspecified

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.krcert.or.kr/krcert/secNoticeView.do (Third Party Advisory)

Frequently asked questions

What is CVE-2021-26624?: CVE-2021-26624 is a high-severity vulnerability in Escanav Escan Anti-Virus, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-04-01.
How severe is CVE-2021-26624?: High severity. CVSS v3 base score is 7.8 out of 10.