How severe is CVE-2023-24548?

CVE-2023-24548 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-24548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24548?

CVE-2023-24548 primarily affects Arista Eos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-24548?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-24548 published?

CVE-2023-24548 was published on 2023-08-29 and last updated on 2026-06-17.

CVE-2023-24548

CVE-2023-24548 is a medium-severity vulnerability in Arista Eos with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Arista Eos
Published: 2023-08-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-24548?: CVE-2023-24548 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-24548 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24548?: CVE-2023-24548 primarily affects Arista Eos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-24548?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-24548 published?: CVE-2023-24548 was published on 2023-08-29 and last updated on 2026-06-17.

References

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

Affected products (2)

cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:4.25.0f:*:*:*:*:*:*:*

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