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CVE-2020-11622

HIGH
7.5
CVSS Score
Published: June 10, 2020 at 07:58 PM UTC
Updated: June 17, 2026 at 02:50 AM UTC
2 products affected across 1 vendorCloudeosVeos

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cloudeos· Arista
95%
4.21.3m ≤ v ≤ 4.21.9m4.22.0 ≤ v ≤ 4.22.4m4.23.0 ≤ v ≤ 4.23.2m4.21.3fx-73684.21.4-fcrfx4.21.4.14.21.7.14.22.2.0.14.22.2.2.14.22.3.14.23.2.1
Veos· Arista
95%
4.21.3m ≤ v ≤ 4.21.9m4.22.0 ≤ v ≤ 4.22.4m4.23.0 ≤ v ≤ 4.23.2m4.21.3fx-73684.21.4-fcrfx4.21.4.14.21.7.14.22.2.0.14.22.2.2.14.22.3.14.23.2.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.arista.com/en/support/advisories-notices
x_refsource_CONFIRMMitigationVendor Advisory
Source: [email protected]
https://www.arista.com/en/support/advisories-notices/security-advisories/11195-security-advisory-49

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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