6.9

CVE-2017-12164: gnome gdm DEPRECATED: Authentication Bypass Issues

CVSS: 6.9v2.0MediumModified
AliasesMGASA-2018-0056DEBIAN-CVE-2017-12164
Published 26-07-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-12164 is a medium (CVSS 6.9) DEPRECATED: Authentication Bypass Issues vulnerability in gnome gdm. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.1% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.39%
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-2024:10780-1

Timeline

  1. 26-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enabled for a victim, an attacker could simply select 'login as another user' to unlock their screen.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

0.00 pp

From 0.39% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.39%

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

Gnome2 products
Debian1 product
  • gdm3< 3.26.0-1
Mageia1 product
  • gdm< 3.24.3-1.mga6

3 vendors · 4 products

References

6 links