CVE-2023-24509

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.3 CRITICAL
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
AristaCNA
9.3 CRITICAL
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 17%
VendorProductVersion
aristaeos
4.23 ≤
𝑥
≤ 4.23.13m
aristaeos
4.24.0 ≤
𝑥
< 4.24.11m
aristaeos
4.25.0 ≤
𝑥
< 4.25.10m
aristaeos
4.26.0 ≤
𝑥
< 4.26.9m
aristaeos
4.27.0 ≤
𝑥
< 4.27.7m
aristaeos
4.28.0 ≤
𝑥
< 4.28.4m
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.arista.com/en/support/advisories-notices/security-advisory/16985-security-advisory-0082
https://www.arista.com/en/support/advisories-notices/security-advisory/16985-security-advisory-0082