CVE-2026-121371
HIGH
MEDIUM
Priority: 0.06
BB Relevance:
78/100
Published: 2026-11-10
Modified: 2026-11-12
First seen: 2026-11-10
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
Conf. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
X
AT:
None
VC:
High
VI:
None
VA:
None
Description
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.
Weakness Classification (1)
Affected Software (12)
| Vendor | Product | Version |
|---|---|---|
| Arista Networks | EOS | 4.36.0F |
| Arista Networks | EOS | 4.35.0F |
| Arista Networks | EOS | 4.34.0F |
| Arista Networks | EOS | 4.33.0F |
| Arista Networks | EOS | 4.32.0F < 4.33.0F |
| Arista Networks | EOS | 1.0.0 < 4.32.0F |
| Arista Networks | EOS | 4.36.0F |
| Arista Networks | EOS | 4.35.0F |
| Arista Networks | EOS | 4.34.0F |
| Arista Networks | EOS | 4.33.0F |
| Arista Networks | EOS | 4.32.0F < 4.33.0F |
| Arista Networks | EOS | 1.0.0 < 4.32.0F |