CVE-2007-1859

Status: ModifiedMedium (4.6)—
XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication.
CVSS

Version: 2.0
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Base score: 4.6
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.41%
Percentile among all scored CVEs: 33
Score date: 10/5/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)

Xscreensaver — Xscreensaver
CWEs

CWE-287
References

Raw JSON (NVD)

Show
{
  "id": "CVE-2007-1859",
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      "value": "XScreenSaver versión 4.10, cuando está usando un servicio de directorio remoto para credenciales, no maneja apropiadamente los resultados de la función getpwuid en el archivo drivers/lock.c cuando no hay conectividad de red, lo que causa que XScreenSaver bloquee y desbloquee la pantalla y permita a usuarios locales omitir la autenticación."
    }
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  "lastModified": "2026-06-16T22:38:26.367",
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