CVE-2020-27743
CRITICAL
9.8
CVSS Score
Published: October 26, 2020 at 09:40 PM UTC
Updated: June 17, 2026 at 03:09 AM UTC
1 product affected across 1 vendorPam Tacplus
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 1.5.1
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/kravietz/pam_tacplus/pull/163x_refsource_MISCTechnical DescriptionThird Party Advisory
Source: [email protected]
https://tools.ietf.org/html/rfc8907CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-330
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