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Vulnerability record · CVE-2005-2496 · published 2 September 2005

CVE-2005-2496: Dave mills ntpd vulnerability

Dave Mills · Ntpd

The xntpd ntp (ntpd) daemon before 4.2.0b, when run with the -u option and using a string to specify the group, uses the group ID of the user instead of the group, which causes xntpd to run with different privileges than intended.

4.6 CVSS 2.0 Medium EPSS 0.45% · top 63.8%
4.6CVSS 2.0 base score
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References
16 Jun 2026Last modified by NVD

Description

The xntpd ntp (ntpd) daemon before 4.2.0b, when run with the -u option and using a string to specify the group, uses the group ID of the user instead of the group, which causes xntpd to run with different privileges than intended.

AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

Source: NIST National Vulnerability Database (record CVE-2005-2496), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.