CVE-2024-27890
On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (No SSL Profiles Enabled).
02 Description
On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (No SSL Profiles Enabled).
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 ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 4.43% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.0% of scored records. A rank, not a probability.
- NVD base score
- 7.2 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/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
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-07-22.
- 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
- 2026-06-04 22:27Z4 MO AGO
- Last updated
- 2026-06-05 18:29Z4 MO AGO
- Reserved
- 2024-02-26
- Assigning CNA
- Arista
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.2)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-306Missing Authentication for Critical FunctionBase
- Data version
- 5.2
- Document digest
- d13e354d0bc8f39d1f75be5867254f86e1cf1be8fcbbeae9aac8b28871f985d8
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. For more information about upgrading see EOS User Manual: Upgrades and Downgrades https://www.arista.com/en/um-eos/eos-upgrades-and-downgrades CVE-2024-27890 has been fixed in the following releases: * 4.30.0M and onwards * 4.29.8M and later releases in the 4.29.x train * 4.28.11M and later releases in the 4.28.x train
The following hotfix can be applied to remediate CVE-2024-27890. The hotfix only applies to the releases listed below and no other releases. Note: Installing/uninstalling the SWIX will cause the OpenConfig/Octa process to restart. Services may be unavailable for up to one minute. EOS Versions 4.30.5 32 bit Version: 1.0 URL: https://www.arista.com/support/advisories-notices/sa-download/?sa99-CVE-2024-27890_CVE-2024-27892_4.30.5_32_Hotfix.swix SWIX hash:(SHA512) 85ec967b17231edd542800a4a5b305de93308ba5365c858470e7ce848bbc6c357be614f2f668b4a1d93c7afa2cb5e62ac12efda00874f6801dff35351da9ed93 64 bit Version: 1.0 URL: https://www.arista.com/support/advisories-notices/sa-download/?sa99-CVE-2024-27890_CVE-2024-27892_4.30.5_64_Hotfix.swix SWIX hash:(SHA512) 263331d15057c38e2e9c4af20f9795989ec962dc159c3136f4eb2e2370859866534b44a17ba9c2ec3249071ccfe83eb0047960693864de532de44fe36766fd70 EOS Versions 4.29.7 32 bit Version: 1.0 URL: https://www.arista.com/support/advisories-notices/sa-download/?sa99-CVE-2024-27890_CVE-2024-27892_4.29.7_32_Hotfix.swix SWIX hash:(SHA512) 0317d77d621fa648aa15d607c6db1a8f648da82e14e0886aea0525e0d726ff83a0ed507755b733d1644797dece85203dfe6998b65108b10ba5a9b9be8f57c4f0 64 bit Version: 1.0 URL: https://www.arista.com/support/advisories-notices/sa-download/?sa99-CVE-2024-27890_CVE-2024-27892_4.29.7_64_Hotfix.swix SWIX hash:(SHA512)