CVE Database›CVE-2015-7974

CVE-2015-7974

ntp: missing key check allows impersonation between authenticated peers (VU#357792)

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Severity

Low

Red Hat Product Security

3.6

CVSS 2.0

Review impact separately from score.

Published · January 20, 2016

Updated · November 21, 2025

Description

A flaw was found in the way NTP verified trusted keys during symmetric key authentication. An authenticated client (A) could use this flaw to modify a packet sent between a server (B) and a client (C) using a key that is different from the one known to the client (A).

Statement

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 3.6
AV:N/AC:H/Au:S/C:N/I:P/A:P

CWE-304 · Missing Critical Step in Authentication