How severe is CVE-2020-13100?

CVE-2020-13100 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-13100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13100?

CVE-2020-13100 affects Arista Cloudvision Exchange. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13100?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-13100 published?

CVE-2020-13100 was published on 2020-10-26 and last updated on 2026-06-17.

CVE-2020-13100

CVE-2020-13100 is a high-severity vulnerability in Arista Cloudvision Exchange with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Arista Cloudvision Exchange
Published: 2020-10-26
Last modified: 2026-06-17

Description

Arista’s CloudVision eXchange (CVX) server 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 (crash and restart) in the ControllerOob agent via a malformed control-plane packet.

Frequently asked questions

What is CVE-2020-13100?: Arista’s CloudVision eXchange (CVX) server 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 (crash and restart) in the ControllerOob agent via a malformed control-plane packet.
How severe is CVE-2020-13100?: CVE-2020-13100 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-13100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13100?: CVE-2020-13100 affects Arista Cloudvision Exchange. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13100 published?: CVE-2020-13100 was published on 2020-10-26 and last updated on 2026-06-17.

References

https://www.arista.com/en/support/advisories-notices/security-advisories/11758-security-advisory-52

Affected products (1)

cpe:2.3:a:arista:cloudvision_exchange:*:*:*:*:*:*:*:*