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 t ...
02 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 t ...
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
- 0.23% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 14.6% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- 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
- 2023-04-13 00:00Z3 YR AGO
- Last updated
- 2025-02-07 15:42Z1 YR AGO
- Reserved
- 2023-01-24
- Assigning CNA
- Arista
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.3)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-269Improper Privilege ManagementClass
- Data version
- 5.1
- Document digest
- 123d786613d6458ee2f084bed05f30d7ead424b1008bed5f51bd8e0978a2c212
05 Affected products
06 References
07 Remediation
The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release that contains all the fixes listed below. CVE-2023-24509 has been fixed in the following releases: 4.28.4M and later releases in the 4.28.x train 4.27.7M and later releases in the 4.27.x train 4.26.9M and later releases in the 4.26.x train 4.25.10M and later releases in the 4.25.x train 4.24.11M and later releases in the 4.24.x train
The following hotfix can be applied to remediate CVE-2023-24509. The hotfix only applies to the releases listed below and no other releases. All other versions require upgrading to a release containing the fix (as listed above).: 4.28.3M and below releases in the 4.28.x train 4.27.6M and below releases in the 4.27.x train 4.26.8M and below releases in the 4.26.x train 4.25.9M and below releases in the 4.25.x train 4.24.10M 4.23.13M Note: Installing/uninstalling the SWIX will cause ConfigAgent to restart and disconnect existing CLI sessions. Version: 1.0 URL: SecurityAdvisory82_CVE-2023-24509_Hotfix.swix SWIX hash: (SHA-512)7833ab99e11cfea1ec28c09aedffd062cfc865a20a843ee6184caff1081e748c8a02590644d0c7b0e377027379cbaadc8b1a70d1c37097bf98c1bedb429dca56