High severity · published Jun 10, 2020
CVE-2020-11622
A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x train, 4.22.4M and below releases in the 4.22.x train, 4.21.3M to 4.21.9M releases…
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x train, 4.22.4M and below releases in the 4.22.x train, 4.21.3M to 4.21.9M releases in the 4.21.x train, 4.21.3FX-7368.*, 4.21.4-FCRFX.*, 4.21.4.1, 4.21.7.1, 4.22.2.0.1, 4.22.2.2.1, 4.22.3.1, and 4.23.2.1 Router code in a scenario where TCP MSS options are configured.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Cloudeos · Arista
4.21.3m through 4.21.9m; 4.22.0 through 4.22.4m; 4.23.0 through 4.23.2m; 4.21.3fx-7368; 4.21.4-fcrfx; 4.21.4.1; +5 more · source: NVD
VE
Veos · Arista
4.21.3m through 4.21.9m; 4.22.0 through 4.22.4m; 4.23.0 through 4.23.2m; 4.21.3fx-7368; 4.21.4-fcrfx; 4.21.4.1; +5 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11622
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11622
Vendor Advisory
https://www.arista.com/en/support/advisories-notices
Mitigation
https://www.arista.com/en/support/advisories-notices/security-advisories/11195-security-advisory-49
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