CVE-2024-12830

7.3 highEPSS 1.0%

High (7.3) in arista ng firewall. EPSS 1.0% chance of exploitation in the next 30 days.

Arista NG Firewall custom_handler Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Arista NG Firewall. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the custom_handler method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the www-data user. Was ZDI-CAN-24019.

Severity

CVSS 3.1

7.3 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2024-12-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

arista:ng_firewall

References

https://www.zerodayinitiative.com/advisories/ZDI-24-1718/

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