HIGHCVSS v3.1 8.1Vulnerability
CVE-2026-120979
This vulnerability affects customers using Arista Pathfinder for WAN path selection with Border Gateway Protocol-Link State (BGP-LS) configured for Dynamic Path Selection (DPS). On affected platforms running Arista EOS with BGP-LS configured for DPS, an attacker who has established an authenticated BGP-LS session with the device can send a specially crafted BGP packet to cause incorrect WAN path selection and disrupt traffic forwarding.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Cvss severity
- HIGH
- Cvss score
- 8.1
- Retrieved at
- 2026-11-10T23:34:23+00:00
- Score
- 8.1
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-120979
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- First seen by Signal
- 2026-11-10T23:31:41+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- Published at
- 2026-11-10T20:18:53.073
- Last modified
- 2026-11-10T20:18:53.073
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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