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CVE-2015-6563

openssh: Privilege separation weakness related to PAM support

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Severity

Moderate

Red Hat Product Security

6.2

CVSS 2.0

Review impact separately from score.

Published · August 11, 2015

Updated · November 21, 2025

Description

A flaw was found in the way OpenSSH handled PAM authentication when using privilege separation. An attacker with valid credentials on the system and able to fully compromise a non-privileged pre-authentication process using a different flaw could use this flaw to authenticate as other users.

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 · 6.2
AV:L/AC:H/Au:N/C:C/I:C/A:C

CWE-266 · Incorrect Privilege Assignment