On 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 for
Published Sep 16, 2026
2.1
LOWCVSS 4.0
EPSS 0.21%
Description
On 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.
Affected products
-
- Version 4.33.0StatusaffectedConstraints<=4.33.9M
- Version 4.34.0StatusaffectedConstraints<=4.34.7M
- Version 4.35.0StatusaffectedConstraints<=4.35.5M
- Version 4.36.0StatusaffectedConstraints<=4.36.1F
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arista Networks | EOS | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
The recommended resolution is to upgrade to a remediated software version at your earliest convenience. CVE-2026-73442 has been fixed in the following releases:
* 4.36.2F and later releases in the 4.36.x train * 4.35.6M and later releases in the 4.35.x train * 4.34.8M and later releases in the 4.34.x train * 4.33.10M and later releases in the 4.33.x train
Metrics
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
1 other source (NVD) ▾
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
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Sep 17, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.21% (0.00209) | 10.10th | v5 (v2026.06.15) |
| Sep 17, 2026 | 0.21% (0.00209) | 11.37th | v5 (v2026.06.15) |
References (1)
- https://www.arista.com/en/support/advisories-notices/security-advisory/24713-security-advisory-0157 vendor-advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.arista.com/en/support/advisories-notices/security-advisory/24713-security-advisory-0157 | vendor-advisory |
Change history (0)
No recorded changes yet.