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Fencer Intel
low 3.6

CVE-2012-1620 json

slock 0.9 does not properly handle the XRaiseWindow event when the screen is locked, which might allow physically proximate attackers to ob…

published 2012-07-12 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-1630

cvss
3.6
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

slock 0.9 does not properly handle the XRaiseWindow event when the screen is locked, which might allow physically proximate attackers to obtain sensitive information by pressing a button, which reveals the desktop and active windows.

Patch / fix

  • suckless-tools Debian 14, Debian 13, Debian 12 39-1

debian advisories DEBIAN-CVE-2012-1620

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-2012-1620 updated cvss 2.1

slock-0.9 displays modal box after locking

  • 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

  • hg.suckless.org http://hg.suckless.org/slock/rev/891a4984aba6 referenced PoC, tagged "exploit" by a source, unverified
  • bugs.gentoo.org https://bugs.gentoo.org/show_bug.cgi?id=401645 referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2012/04/06/1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 3.6 AV:L/AC:L/Au:N/C:P/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.