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Fencer Intel
low 2.1

CVE-2015-8025 json

driver/subprocs.c in XScreenSaver before 5.34 does not properly perform an internal consistency check, which allows physically proximate at…

published 2015-11-10 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-7920

cvss
2.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

driver/subprocs.c in XScreenSaver before 5.34 does not properly perform an internal consistency check, which allows physically proximate attackers to bypass the lock screen by hot swapping monitors.

Patch / fix

  • xscreensaver Debian 14, Debian 13, Debian 12 5.34-1

debian advisories DEBIAN-CVE-2015-8025

  • xscreensaver Ubuntu 14.04 LTS 5.15-3+deb7u1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2015-8025

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • xscreensaver SLES 12 SP1, SLES 12, SLED 12 SP1 +3 more 5.22-7.1
  • xscreensaver SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +4 more 5.07-6.36.1

suse advisories SUSE-SU-2015:2053-1SUSE-SU-2015:2053-2SUSE-SU-2015:2054-1

  • xscreensaver openSUSE Tumbleweed 5.34-1.6

opensuse advisories openSUSE-SU-2024:10216-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-8025 updated cvss 4.6

xscreensaver: crash when unpluging second monitor cable while asking for password

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • openwall.com http://www.openwall.com/lists/oss-security/2015/10/24/2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.