CVE-2026-73442
LOW 2.1 ALL-YEARSOn affected platforms running Arista EOS with VRRP enabled, the peer device VRRP authentication credentials are logged in cleartext on the switch, allowing an authenticated user with sufficient privileges to view agent trace logs (or a system receiving forwarded log output) to obtain the peer device VRRP authentication credentials without having access to the network segment on which VRRP is running.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 10th percentile
Impact if exploited
2.1CVSS 4.0 · LOW · CNA
- ConfidentialityLow
- IntegrityNone
- AvailabilityNone
What an attacker needs
- ⚠Access: Must sit on the same / adjacent network
- ⚠Privileges: Requires a low-privilege account
- ✓User interaction: No user interaction needed
- ⚠Complexity: Needs a race window or specific setup
- ✓Requirements: No special attack requirements
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.
Weakness (CWE)
- CWE-532: Insertion of Sensitive Information into Log File
CVSS vector
CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
All CVSS metrics
- LOW 3 v3.1 · CNA Primary
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N - LOW 2.1 v4.0 · CNA Primary
CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N - LOW 2.1 v4.0 · NVD Secondary
CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - LOW 3 v3.1 · NVD Secondary
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N