CVE-2023-0126
Published: 19 January 2023
Summary
CVE-2023-0126 is a high-severity Path Traversal (CWE-22) vulnerability in Sonicwall Sma1000 Firmware. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 0.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-0126 is a pre-authentication path traversal vulnerability, tracked as CWE-22, that affects SonicWall SMA1000 firmware version 12.4.2. The flaw resides in the web interface and permits access to arbitrary files and directories stored outside the web root, carrying a CVSS 3.1 score of 7.5 that reflects network attack vector, low complexity, and no required privileges or user interaction, with high impact to confidentiality.
An unauthenticated remote attacker can exploit the issue by sending crafted requests to retrieve sensitive files from the underlying system, enabling disclosure of configuration data, credentials, or other restricted content without any prior authentication.
The SonicWall PSIRT advisory at https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0001 addresses the vulnerability and supplies mitigation guidance for affected SMA1000 deployments. The associated EPSS score remains elevated near its recorded peak of 0.9323.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-12216
Vulnerability details
Pre-authentication path traversal vulnerability in SMA1000 firmware version 12.4.2, which allows an unauthenticated attacker to access arbitrary files and directories stored outside the web root directory.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Validates pathnames and filenames to prevent traversal outside intended directories.