CVE-2018-5254

Name: CVE-2018-5254
Creator: NVD / NIST
Published: 2018-04-12T21:29:00.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.26%

Last modified Jun 17, 2026

CVE-2018-5254 is a vulnerability of currently unknown severity. Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (Rib agent restart) via a malformed path attribute in an UPDATE message.. EPSS estimates a 1.26% chance of exploitation in the next 30 days.

Description

Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (Rib agent restart) via a malformed path attribute in an UPDATE message.

Metrics

EPSS Probability

1.26%

65.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-417

Affected Software

Vendor	Product	Versions
Arista	Eos	< 4.20.2f

References

Timeline

Published: Apr 12, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-5254?

Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (Rib agent restart) via a malformed path attribute in an UPDATE message.

How severe is CVE-2018-5254?

Severity scoring for CVE-2018-5254 is pending analysis. The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5254?

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.

Are you affected by CVE-2018-5254?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST