CVE-2021-46686

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CVSS 3.0

9.8 critical

EPSS

1%p71

Published

Feb 18, 2025 (Feb 18, 2025)

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.

Weakness: CWE-78
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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