CVE-2020-11622

Severity

75%

Complexity

39%

Confidentiality

60%

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 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P).

Overview

Type

Arista

First reported 4 years ago

2020-06-10 20:15:00

Last updated 4 years ago

2020-06-23 19:24:00

Affected Software

Arista CloudEOS 4.21.3FX-7368

4.21.3fx-7368

Arista CloudEOS 4.21.4-FCRFX

4.21.4-fcrfx

Arista CloudEOS 4.21.4.1

4.21.4.1

Arista CloudEOS 4.21.7.1

4.21.7.1

Arista CloudEOS 4.22.2.0.1

4.22.2.0.1

Arista CloudEOS 4.22.2.2.1

4.22.2.2.1

Arista CloudEOS 4.22.3.1

4.22.3.1

Arista CloudEOS 4.23.2.1

4.23.2.1

Arista vEOS 4.21.3FX-7368

4.21.3fx-7368

Arista vEOS 4.21.4-FCRFX

4.21.4-fcrfx

Arista vEOS 4.21.4.1

4.21.4.1

Arista vEOS 4.21.7.1

4.21.7.1

Arista vEOS 4.22.2.0.1

4.22.2.0.1

Arista vEOS 4.22.2.2.1

4.22.2.2.1

Arista vEOS 4.22.3.1

4.22.3.1

Arista vEOS 4.23.2.1

4.23.2.1

References

https://www.arista.com/en/support/advisories-notices

https://www.arista.com/en/support/advisories-notices/security-advisories/11195-security-advisory-49

https://www.arista.com/en/support/advisories-notices

Vendor Advisory

https://www.arista.com/en/support/advisories-notices/security-advisories/11195-security-advisory-49

Mitigation, Vendor Advisory

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