CVE-2026-73467
On affected platforms running Arista EOS, under certain circumstances plaintext shared secrets for configured Terminal Access Controller Access-Control System Plus (TACACS+) servers
02 Description
On affected platforms running Arista EOS, under certain circumstances plaintext shared secrets for configured Terminal Access Controller Access-Control System Plus (TACACS+) servers
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.13% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 2.7% of scored records. A rank, not a probability.
- NVD base score
- 6.0 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/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
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-09-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-15 18:44Z1 MO AGO
- Last updated
- 2026-09-16 15:51Z1 MO AGO
- Reserved
- 2026-08-12
- Assigning CNA
- Arista
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.0)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H
- Weaknesses
- CWE-532Insertion of Sensitive Information into Log FileBase
- Data version
- 5.2
- Document digest
- 16dff739d5478e152f52115ec4f536c1a0b99e8d0c4efc329ab09a79d2310817
05 Affected products
06 References
- www.arista.comArista Security Advisory 0153https://www.arista.com/en/support/advisories-notices/security-advisory/24709-security-advisory-0153
07 Remediation
CVE-2026-73465 has been fixed in the following releases: * 4.36.2F and later releases in the 4.36.x train. * 4.35.5M 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.