CVE Database›Document archive›CVE-2004-2771

CVE-2004-2771

mailx: command execution flaw

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Severity

Moderate

Red Hat Product Security

3.6

CVSS 2.0

Review impact separately from score.

Published · December 16, 2014

Updated · November 21, 2025

Description

A flaw was found in the way mailx handled the parsing of email addresses. A syntactically valid email address could allow a local attacker to cause mailx to execute arbitrary shell commands through shell meta-characters (CVE-2004-2771) and the direct command execution functionality (CVE-2014-7844).

Statement

Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 3.6
AV:L/AC:L/Au:N/C:P/I:P/A:N

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')