CVE-2017-12164

MEDIUMNVD 4.1

4.1

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 v3: 4.1
EG Score: —
EPSS: 33.1%
KEV: Not listed

Published

July 26, 2018

Last Modified

November 21, 2024

References (4)

secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164
secalert@redhathttps://gitlab.gnome.org/GNOME/gdm/commit/ff98b28
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164
af854a3a-2127-422b-91ae-364da2661108https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 18:05 UTCOSV refresh

Frequently asked(5)

What is CVE-2017-12164?

CVE-2017-12164 is a medium vulnerability published on July 26, 2018. 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.

When was CVE-2017-12164 disclosed?

CVE-2017-12164 was first published in the National Vulnerability Database on July 26, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-12164 actively exploited?

CVE-2017-12164 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-12164?

CVE-2017-12164 has a CVSS v3 base score of 4.1 (NVD).

How do I remediate CVE-2017-12164?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-12164, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2017-12164

📅 Published

🔄 Last Modified

🔗 References (4)