CVE-2023-24509: arista networks arista eos Improper Privilege Management
Vulnerability summary
CVE-2023-24509 is a critical (CVSS 9.3) Improper Privilege Management vulnerability in arista networks arista eos. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 13-04-2023PublishedVulnerability first disclosed.
- 07-02-2025Last modifiedVulnerability information updated.
Description
On affected modular platforms running Arista EOS equipped with both redundant supervisor modules and having the redundancy protocol configured with RPR or SSO, an existing unprivileged user can login to the standby supervisor as a root user, leading to a privilege escalation. Valid user credentials are required in order to exploit this vulnerability.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (arista.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Arista1 product
- eos≥ 4.23, ≤ 4.23.13m | ≥ 4.24.0, < 4.24.11m | ≥ 4.25.0, < 4.25.10m | ≥ 4.26.0, < 4.26.9m | ≥ 4.27.0, < 4.27.7m | ≥ 4.28.0, < 4.28.4m
Arista networks1 product
- arista eos4.23.0 4.23.13M | ≥ 4.28.0, ≤ 4.28.3M | ≥ 4.27.0, ≤ 4.27.6M | ≥ 4.286.0, ≤ 4.26.8M | ≥ 4.25.0, ≤ 4.25.9M | ≥ 4.24.0, ≤ 4.24.10M
2 vendors · 2 products
References
1 links- www.arista.com/en/support/advisories-notices/security-advisory/16985-security-advisory-0082ExploitMitigationVendor Advisory