CVE-2021-31997 - CVE House
Back to Database
Status published Medium CVE-2021-31997

python-postorius: postorius-permissions.sh used during %post allows local privilege escalation from postorius user to root

Vulnerability Description

A UNIX Symbolic Link (Symlink) Following vulnerability in python-postorius of openSUSE Leap 15.2, Factory allows local attackers to escalate from users postorius or postorius-admin to root. This issue affects: openSUSE Leap 15.2 python-postorius version 1.3.2-lp152.1.2 and prior versions. openSUSE Factory python-postorius version 1.3.4-2.1 and prior versions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-31997

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Matthias Gerstner of SUSE

References

More from openSUSE

View All →
CVE-2025-53881
SUSE-specific logrotate configuration allows escalation from mail user/group to root
Medium 6.9
CVE-2025-46810
A UNIX Symbolic Link (Symlink) Following vulnerability in the packaging...
High 8.5
CVE-2024-49506
Fixed temporary file path in aeon-checks allows fixing of disk encryption key
High 7.3
CVE-2024-49505
XSS vulnerability found in OpenSuse MirrorCache
Medium 5.3
CVE-2023-32184
A Insecure Storage of Sensitive Information vulnerability in openSUSE opensuse-welcome...
High 7.8

Affected Vendor

Affected Software

Leap 15.2, Factory
Vulnerable Versions:
python-postorius

Timeline

Official Publish: June 10th, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Weaknesses (CWE)

CWE-59

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow
Privilege Escalation
T1222 File and Directory Permissions Modification
Defense Evasion
T1005 Data from Local System
Collection
T1565 Data Manipulation
Impact
T1078 Valid Accounts
Persistence