7.5

CVE-2020-17355: arista eos

CVSS: 7.5v3.1HighModified
Published 21-10-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-17355 is a high (CVSS 7.5) vulnerability in arista eos. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 67.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-10-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause a denial of service (restart of agents) by crafting a malformed DHCP packet which leads to an incorrect route being installed.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.21%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Arista1 product
  • eos≥ 4.21.0, < 4.21.12m | ≥ 4.22, < 4.22.7m | ≥ 4.23, < 4.23.5m | ≥ 4.24.0, < 4.24.2f

1 vendor · 1 product

References

1 links