What is CVE-2023-24548?

CVE-2023-24548 is a medium-severity vulnerability in Arista 7280cr3-32d4, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2023-08-29.

How severe is CVE-2023-24548?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Arista 7280cr3-32d4

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. The device will continue to be susceptible to the issue until remediation is in place.

Vulnerability class: Buffer Overflow

Published 2023-08-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (39.9th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.arista.com/en/support/advisories-notices/security-advisory/18043-security-a… (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2023-24548?: CVE-2023-24548 is a medium-severity vulnerability in Arista 7280cr3-32d4, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2023-08-29.
How severe is CVE-2023-24548?: Medium severity. CVSS v3 base score is 5.3 out of 10.