What’s Vulnerable › Vulnerabilities

CVE-2023-24548: On affected platforms running Arista EOS with VXLAN configured, malformed or truncated packets received over a VXLAN tunnel and forwarded in hardware can cause egress ports to be unable to forward packets

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-29 · updated 2026-06-17
• Weakness: CWE-120

Description

On affected platforms running Arista EOS with VXLAN configured, malformed or truncated packets received over a VXLAN tunnel and forwarded in hardware can cause egress ports to be unable to forward packets. The device will continue to be susceptible to the issue until remediation is in place.

Affected products

• Arista Networks EOS: from 4.22.1f through 4.22.13m; from 4.23.0 through 4.23.14m; from 4.24.0 through 4.24.11m; 4.25.0f

References

• https://www.arista.com/en/support/advisories-notices/security-advisory/18043-security-advisory-0089
• https://www.arista.com/en/support/advisories-notices/security-advisory/18043-security-advisory-0089

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