CVE-2020-27743

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CVSS 3.1

9.8 critical

EPSS

2%p76

Published

Oct 26, 2020 (Oct 26, 2020)

Modified

Jun 17, 2026

Description

libtac in pam_tacplus through 1.5.1 lacks a check for a failure of RAND_bytes()/RAND_pseudo_bytes(). This could lead to use of a non-random/predictable session_id.

Vendors: pam tacplus project
Products: pam tacplus
Weakness: CWE-330
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.7%)

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