CVE-2013-4427

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 0%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

pyxtrlock before 0.2 does not properly check the return values of the (1) xcb_grab_pointer and (2) xcb_grab_keyboard XCB library functions, which allows physically proximate attackers to gain access to the keyboard or mouse without unlocking the screen via unspecified vectors.

CVSS v3
—
EG Score
0.0(none)
EPSS
26.7%
KEV
Not listed

Published

May 19, 2014

Last Modified

May 6, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 35× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 02:19 UTCEPSS rescore
  2. 2026-07-06 02:19 UTCEPSS rescore
  3. 2026-07-05 02:26 UTCEPSS rescore
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  1. 2026-06-17 17:49 UTCEPSS rescore
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  20. 2026-06-01 13:49 UTCEPSS rescore
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  22. 2026-05-31 22:28 UTCEPSS rescore
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  26. 2026-05-29 13:41 UTCEPSS rescore
  27. 2026-05-29 13:41 UTCEPSS rescore
  28. 2026-05-28 18:55 UTCEG score recompute
  29. 2026-05-28 18:55 UTCGHSA enrichment
  30. 2026-05-28 13:42 UTCEPSS rescore
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  48. 2026-05-20 11:21 UTCEPSS rescore
  49. 2026-05-18 21:29 UTCEPSS rescore
  50. 2026-05-18 21:29 UTCEPSS rescore

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Frequently asked(4)

What is CVE-2013-4427?
CVE-2013-4427 is a none vulnerability published on May 19, 2014. pyxtrlock before 0.2 does not properly check the return values of the (1) xcbgrabpointer and (2) xcbgrabkeyboard XCB library functions, which allows physically proximate attackers to gain access to the keyboard or mouse without unlocking the screen via unspecified vectors.
When was CVE-2013-4427 disclosed?
CVE-2013-4427 was first published in the National Vulnerability Database on May 19, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-4427 actively exploited?
CVE-2013-4427 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2013-4427?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-4427, 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.

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