Reachable exit in NTPsec ntpd 1.1.4 through 1.2.5 allows a remote attacker to terminate the daemon via an NTS request with excess NTS Cookie Placeholder extension fields.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Ntpsec
  • Ntpsec

No data.

No data.

References
Link Providers
https://gitlab.com/NTPsec/ntpsec/-/commit/df83f3c4f cve-icon cve-icon
https://gitlab.com/NTPsec/ntpsec/-/work_items/899 cve-icon cve-icon
History

Wed, 21 Oct 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Ntpsec
Ntpsec ntpsec
Vendors & Products Ntpsec
Ntpsec ntpsec

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Description Reachable exit in NTPsec ntpd 1.1.4 through 1.2.5 allows a remote attacker to terminate the daemon via an NTS request with excess NTS Cookie Placeholder extension fields.
Title Reachable Assertion in ntpsec
Weaknesses CWE-617
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2026-10-21T15:03:41.276Z

Updated: 2026-10-21T15:03:41.276Z

Reserved: 2026-09-29T09:30:03.160Z

Link: CVE-2026-102483

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-21T16:17:13.910

Modified: 2026-10-22T16:18:19.040

Link: CVE-2026-102483

cve-icon Redhat

No data.