CVE-2021-46686

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in acmailer CGI ver.4.0.3 and earlier and acmailer DB ver.1.1.5 and earlier. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 18, 2025
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2021-46686: Critical severity, CVSS 9.8 | Vulnix