VulnerabilityAnalyzed

CVE-2019-7483

SonicWall SMA100 Directory Traversal Vulnerability

KEVHIGH 7.5EPSS 4.01%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 4.01% probability · 90th percentile
Public exploits: None in Exploit-DB
CISA KEV: Listed 28 March 2022 · due 18 April 2022
Weakness: CWE-22
Affected: sonicwall/sma 100 firmware
Source: PSIRT@sonicwall.com

EPSS trend

EPSS 4.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-7483

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0018Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0018Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-7483US Government Resource

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.