CVE-2020-11622: arista cloudeos
Vulnerability summary
CVE-2020-11622 is a high (CVSS 7.5) vulnerability in arista cloudeos. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 69.5% of scored vulnerabilities.
Timeline
- 10-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.28%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.28% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Arista2 products
- cloudeos≥ 4.21.3m, ≤ 4.21.9m | ≥ 4.22.0, ≤ 4.22.4m | ≥ 4.23.0, ≤ 4.23.2m | 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 | 4.23.2.1
- veos≥ 4.21.3m, ≤ 4.21.9m | ≥ 4.22.0, ≤ 4.22.4m | ≥ 4.23.0, ≤ 4.23.2m | 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 | 4.23.2.1
1 vendor · 2 products
References
2 links- www.arista.com/en/support/advisories-notices/security-advisories/11195-security-advisory-49X Refsource CONFIRMMitigationVendor Advisory