Path traversal in Arista NG Firewall
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-12830
- 2026-10-03 Alias added: GHSA-g2qv-6658-vpj8
References
Advisory 1
More Arista Ng Firewall vulnerabilities
- TI-2024-08481 The administrator is able to configure an insecure captive portal script CVSS 3.1CRITICAL 9.8
- TI-2024-08482 A user with administrator privileges is able to retrieve authentication tokens CVSS 3.1MEDIUM 6.6
- TI-2024-18496 SQL injection in Arista Edge Threat Management - Arista NG Firewall CVSS 3.1HIGH 8.8
- TI-2025-02419 Cross-site scripting in Arista NG Firewall CVSS 3.1CRITICAL 9.6
- TI-2026-20726 Arista Edge Threat Management NGFW Captive Portal Custom Handler Command Injection CVSS 4.0HIGH 7.0
- TI-2026-20724 Arista Edge Threat Management NGFW Captive Portal Encrypted Password Command Injection CVSS 4.0HIGH 7.0
Sources
- CVE-2024-12830 · CVE Program
- CVE-2024-12830 · NVD
- FIRST EPSS
- GHSA-g2qv-6658-vpj8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences