VULNERABILITY INTELLIGENCE

CVE-2015-2923

CVSS score6.5 MEDIUM

EPSS probability1.38%

CISA KEVNot currently listed

Published2020-02-20

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD through 10.1 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.

Weakness classification

CWE-20: Improper Input Validation

Primary references

cve@mitre.org — Mailing List, Third Party Advisory
cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Mailing List, Vendor Advisory
cve@mitre.org — Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Vendor Advisory