CVE-2018-5254 : Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (

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.

Published 2018-04-12 21:29:01

Updated 2018-05-18 13:35:25

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2018-5254

Arista » EOS
Versions before (<) 4.20.2f
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-5254

EPSS FAQ

0.21%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 58 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-5254

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-5254

CWE-417

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-5254

https://www.arista.com/en/support/advisories-notices/security-advisories/4403-security-advisory-33

Security Advisories
Vendor Advisory

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Vulnerability Details : CVE-2018-5254

Products affected by CVE-2018-5254

Exploit prediction scoring system (EPSS) score for CVE-2018-5254

CVSS scores for CVE-2018-5254

CWE ids for CVE-2018-5254

References for CVE-2018-5254