CVE-2024-12830
CVE-2024-12830 is a high-severity vulnerability in Arista Ng Firewall with a CVSS 3.x base score of 7.3. 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-22.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-51132
- Weakness: CWE-22
- Affected product: Arista Ng Firewall
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2024-12830?
- 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.
- How severe is CVE-2024-12830?
- CVE-2024-12830 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2024-12830 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-12830?
- CVE-2024-12830 affects Arista Ng Firewall. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-12830?
- 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.
- Does CVE-2024-12830 have an EU (EUVD) identifier?
- Yes. CVE-2024-12830 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51132.
- When was CVE-2024-12830 published?
- CVE-2024-12830 was published on 2024-12-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:arista:ng_firewall:17.1.1:*:*:*:*:*:*:*
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