Medium severity · published Mar 5, 2018
CVE-2018-5255
The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets
6.5
CVSS
1%
EPSS
No
On KEV
Description
The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EO
Eos · Arista
4.19 before 4.19.4m; 4.20 before 4.20.2f · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5255
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5255
Patch
https://www.arista.com/en/support/advisories-notices/security-advisories/4347-security-advisory-32
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