9.3

CVE-2018-17953: kernel linux-pam Improper Access Control

CVSS: 9.3v2.0HighModified
AliasesSUSE-SU-2018:3965-1
Published 27-11-2018Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2018-17953 is a high (CVSS 9.3) Improper Access Control vulnerability in kernel linux-pam. EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 70.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
1.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2024:11140-1

Timeline

  1. 27-11-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

A incorrect variable in a SUSE specific patch for pam_access rule matching in PAM 1.3.0 in openSUSE Leap 15.0 and SUSE Linux Enterprise 15 could lead to pam_access rules not being applied (fail open).

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.34%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.34% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse3 products
  • pam&distro=SUSE Linux Enterprise Module for Basesystem 15< 1.3.0-6.6.1
  • pam&distro=SUSE Linux Enterprise Module for Development Tools 15< 1.3.0-6.6.1
  • pam≥ 1.3.0, < 1.3.0 before 2018-11-30
Kernel1 product

2 vendors · 4 products

References

4 links