CVE-2024-27890

CRITICALCVSS 9.6/10EPSS 4.43%

Last modified

CVE-2024-27890 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch.. EPSS estimates a 4.43% chance of exploitation in the next 30 days.

Description

Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch.

Metrics

CVSS 3.1
9.6/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

CVSS 4.0
7.2/10

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

EPSS Probability
4.43%

90.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Arista NetworksEOS>= 4.29.0, <= 4.29.7M; >= 4.28.0, <= 4.28.10M; >= 4.27.0, <= 4.27.8M; >= 4.26.0, <= 4.26.9M; >= 4.25.0, <= 4.25.10M; >= 4.24.0, <= 4.24.11M

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2024-27890?
Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch.
How severe is CVE-2024-27890?
CVE-2024-27890 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 4.43% probability of exploitation in the next 30 days.
How do I fix CVE-2024-27890?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST