CVE-2026-121371
Security Advisory 0218
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
On affected EOS versions with the eAPI service enabled, a specially crafted HTTP request can allow an unauthenticated, remote attacker to read arbitrary files, including sensitive credentials from the switch filesystem.
| CWE | CWE-22 |
| Vendor | arista networks |
| Product | eos |
| Published | Nov 10, 2026 |
| Last Updated | Nov 10, 2026 |
Stay Ahead of the Next One
Get instant alerts for arista networks eos
Be the first to know when new high vulnerabilities affecting arista networks eos are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Arista Networks / EOS
4.36.0F ≤ 4.36.3M 4.35.0F ≤ 4.35.7M 4.34.0F ≤ 4.34.9M 4.33.0F ≤ 4.33.11M 4.32.0F < 4.33.0F 1.0.0 < 4.32.0F