How severe is CVE-2023-24545?

CVE-2023-24545 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-2023-24545 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24545?

CVE-2023-24545 affects Arista Cloudeos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24545?

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-2023-24545 published?

CVE-2023-24545 was published on 2023-04-12 and last updated on 2026-06-17.

CVE-2023-24545

CVE-2023-24545 is a high-severity vulnerability in Arista Cloudeos 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. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Arista Cloudeos
Published: 2023-04-12
Last modified: 2026-06-17

Description

On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic.

Frequently asked questions

What is CVE-2023-24545?: On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic.
How severe is CVE-2023-24545?: CVE-2023-24545 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-2023-24545 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24545?: CVE-2023-24545 affects Arista Cloudeos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24545?: 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-2023-24545 published?: CVE-2023-24545 was published on 2023-04-12 and last updated on 2026-06-17.

References

https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085

Affected products (1)

cpe:2.3:o:arista:cloudeos:*:*:*:*:*:*:*:*

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