CVE-2015-7496

GNOME Display Manager (gdm) before 3.18.2 allows physically proximate attackers to bypass the lock screen by holding the Escape key.

Published: 2015-11-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-7496 is rated Moderate Risk (40.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.41%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-7496

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.41% +0.34%
2 2023-03-07 1.03% 0.06% -0.97%
3 2022-02-04 — 1.03% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-7496

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2015-7496

OS Trackers for CVE-2015-7496

vendor priority summary link
debian not yet assigned CVE-2015-7496 not yet assigned priority: Debian including 1 source packages (gdm3), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-7496
redhat medium — https://access.redhat.com/security/cve/CVE-2015-7496
suse low CVE-2015-7496 severity low: SUSE including 93 source package names (gdm-3.22.1-1.2, gdm-3.22.3-11.el7, …), 99 product×package rows across 15 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Module for Desktop Applications 15, … (15 product lines)): Fixed 99. https://www.suse.com/security/cve/CVE-2015-7496/
ubuntu medium CVE-2015-7496 medium priority: Ubuntu including 2 source packages (gdm, gdm3), 24 status rows across 12 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): DNE 12, not-affected 6, ignored 4, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2015-7496

Affected software / configurations for CVE-2015-7496

Vendor Product Version Raw CPE
fedoraproject fedora 23 cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
gnome gnome_display_manager <= 3.18.0 cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:*

References for CVE-2015-7496

cvelogic Threat Intelligence