CVE-2013-6890

MediumCVSS 5.0/10Last modified Jun 17, 2026

Description

denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published
Dec 23, 2013
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2013-6890: Medium severity, CVSS 5.0 | Vulnix