CVE-2019-7483
Published: March 28, 2022
Official Description
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.
CISA KEV Advisory
SonicWall SMA100 Directory Traversal Vulnerability
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.
Apply updates per vendor instructions.
Risk Analysis
SonicWall SMA100 has an unauthenticated Directory Traversal vulnerability in its handleWAFRedirect CGI, allowing users to check for file presence on the server. With a high EPSS score of 0.34622 and confirmed exploitation, this vulnerability can be used for reconnaissance and potentially further attacks.
This vulnerability has been actively exploited in the wild and is listed in CISA's KEV catalog, indicating confirmed real-world exploitation. The flaw is unauthenticated and remotely exploitable.
Update SonicWall SMA100 to a patched firmware version. Implement strong network segmentation and intrusion detection systems to monitor for suspicious activity.
Technical Analysis
CVE-2019-7483 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2019-7483 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-7483 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1