AUGUST 4, 2026
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Case File

CVE-2021-20617

CRITICAL · CVSS 9.8 EPSS 7.87%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-01-14 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable.

CVE
CVE-2021-20617
Severity
CRITICAL
CVSS
9.8
EPSS
7.87%

Original NVD Description

Improper access control vulnerability in acmailer ver. 4.0.1 and earlier, and acmailer DB ver. 1.1.3 and earlier allows remote attackers to execute an arbitrary OS command, or gain an administrative privilege which may result in obtaining the sensitive information on the server via unspecified vectors.

Related CVEs

Other vulnerabilities affecting the same vendor(s)