CVE-2019-7483
Path Traversal in Sonicwall Sma 100 Firmware ≤ 9.0.0.4
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSummary
CVE-2019-7483 is a high-severity Path Traversal (CWE-22) vulnerability in Sonicwall Sma 100 Firmware. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 10% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
In SonicWall SMA100 appliances, CVE-2019-7483 is an unauthenticated directory traversal vulnerability (CWE-22) residing in the handleWAFRedirect CGI component. The flaw permits remote attackers to supply crafted path sequences that reveal whether arbitrary files exist on the underlying server, carrying a CVSS 3.1 base score of 7.5 due to its network-exposable, low-complexity nature and high confidentiality impact without requiring authentication.
An unauthenticated attacker with network access can invoke the affected CGI endpoint to perform file-existence probes across the filesystem. Successful traversal checks can disclose the presence of sensitive configuration files, scripts, or other resources, providing reconnaissance that may facilitate subsequent targeted attacks against the SMA100 device.
The issue is documented in SonicWall PSIRT advisory SNWLID-2019-0018 and appears in the CISA Known Exploited Vulnerabilities catalog, confirming observed real-world exploitation. Security practitioners should apply the patches or configuration updates referenced in the vendor advisory to eliminate the traversal vector.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2019-17025
Vulnerability Data
In SonicWall SMA100, an unauthenticated Directory Traversal vulnerability in the handleWAFRedirect CGI allows the user to test for the presence of a file on the server.
- CWE(s)
- KEV Date Added
- 28 March 2022
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V5.3.2
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.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Patching/maintenance can remediate known path-traversal flaws in deployed software (partial prevention of exploitability) but does nothing to stop the coding defect from being introduced in the first place.
PR.AA-05 defines and reviews access policies but does not address code-level pathname neutralization, so neither direction prevents CWE-22.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing in development catches path traversal via static/dynamic analysis.
Secure SDLC mandates input validation and path sanitization that directly prevent path traversal.
Application security requirements include rules for safe file handling and canonicalization.
Secure architecture principles require least-privilege file access and directory isolation.
Secure coding standards explicitly forbid unsafe path construction and mandate safe APIs.
Information access restriction limits which files an application may read or write.