CVE-2026-120981
Last modified
CVE-2026-120981 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. On affected platforms running Arista EOS with VPLS-BGP enabled, an attacker who has established a BGP session with the PE router can affect the route advertisements of VPLS pseudowires, causing a churn of the established routes with other legitimate BGP peers.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
On affected platforms running Arista EOS with VPLS-BGP enabled, an attacker who has established a BGP session with the PE router can affect the route advertisements of VPLS pseudowires, causing a churn of the established routes with other legitimate BGP peers.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Arista Networks | EOS | >= 4.33.0F, <= 4.33.10M; >= 4.34.0F, <= 4.34.8M; >= 4.35.0F, <= 4.35.6M; >= 4.36.0F, <= 4.36.2F |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-120981?
How severe is CVE-2026-120981?
How do I fix CVE-2026-120981?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-120976On affected platforms running Arista EOS with IEEE 802.1X au…6
- CVE-2026-120977On affected platforms running Arista EOS with 802.1X with Dy…8.2
- CVE-2026-120978On affected Arista EOS platforms running Border Gateway Prot…6.5
- CVE-2026-120979This vulnerability affects customers using Arista Pathfinder…8.1
- CVE-2026-12098The PowerPress Podcasting plugin by Blubrry plugin for WordP…6.4
- CVE-2026-120980On affected platforms running Arista EOS with VPLS-BGP enabl…5.3
- CVE-2026-120982On affected platforms running Arista EOS with Border Gateway…7.5
- CVE-2026-120983On affected EOS platforms where 802.1x is configured in mult…7.6
- CVE-2026-120984A flaw was found in the Keycloak server's client management …9.1
- CVE-2026-120987Whale Browser before 5.39.412.57 allows an attacker to bypas…7.5
- CVE-2026-120988billboard.js before 4.1.3 allows an attacker to execute mali…6.1
- CVE-2026-120991When a container blob upload was rejected, for example becau…
Are you affected by CVE-2026-120981?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST