SonicWall SMA 100 Firmware vulnerabilities

13 CVEs affecting SonicWall SMA 100 Firmware, 3 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-32821, published 2025-05-07.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2019-7481: SonicWall SMA100 SQL Injection Vulnerability, published 2019-12-17. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 99.9% chance of exploitation in the next 30 days. Vulnerability in SonicWall SMA100 allow unauthenticated user to gain read-only access to unauthorized resources. This vulnerablity impacted SMA100 version 9.0.0.3 and earlier.
CVE-2021-20016: SonicWall SSLVPN SMA100 SQL Injection Vulnerability, published 2021-02-04. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 40% chance of exploitation in the next 30 days. A SQL-Injection vulnerability in the SonicWall SSLVPN SMA100 product allows a remote unauthenticated attacker to perform SQL query to access username password and other session related information.…
CVE-2019-7483: SonicWall SMA100 Directory Traversal Vulnerability, published 2019-12-19. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2022-03-28. EPSS: 4% chance of exploitation in the next 30 days. 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.
CVE-2025-32821, published 2025-05-07. High severity, CVSS 7.2. EPSS: 22.2% chance of exploitation in the next 30 days. A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN admin privileges can with admin privileges can inject shell command arguments to upload a file on the appliance.
CVE-2019-7482, published 2019-12-19. Critical severity, CVSS 9.8. EPSS: 8.8% chance of exploitation in the next 30 days. Stack-based buffer overflow in SonicWall SMA100 allows an unauthenticated user to execute arbitrary code in function libSys.so. This vulnerability impacted SMA100 version 9.0.0.3 and earlier.
CVE-2025-32819, published 2025-05-07. High severity, CVSS 8.8. EPSS: 6.5% chance of exploitation in the next 30 days. A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to…
CVE-2025-32820, published 2025-05-07. High severity, CVSS 8.8. EPSS: 2.9% chance of exploitation in the next 30 days. A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges can inject a path traversal sequence to make any directory on the SMA appliance writable.
CVE-2020-5146, published 2021-01-09. High severity, CVSS 7.2. EPSS: 1.9% chance of exploitation in the next 30 days. A vulnerability in SonicWall SMA100 appliance allow an authenticated management-user to perform OS command injection using HTTP POST parameters. This vulnerability affected SMA100 Appliance version…
CVE-2019-7486, published 2019-12-19. High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days. Code injection in SonicWall SMA100 allows an authenticated user to execute arbitrary code in viewcacert CGI script. This vulnerability impacted SMA100 version 9.0.0.4 and earlier.
CVE-2019-7485, published 2019-12-19. High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days. Buffer overflow in SonicWall SMA100 allows an authenticated user to execute arbitrary code in DEARegister CGI script. This vulnerability impacted SMA100 version 9.0.0.3 and earlier.

Latest

CVE-2021-20050, published 2021-12-23. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. An Improper Access Control Vulnerability in the SMA100 series leads to multiple restricted management APIs being accessible without a user login, potentially exposing configuration meta-data.
CVE-2021-20049, published 2021-12-23. High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days. A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts…
CVE-2019-7484, published 2019-12-19. Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days. Authenticated SQL Injection in SonicWall SMA100 allow user to gain read-only access to unauthorized resources using viewcacert CGI script. This vulnerability impacted SMA100 version 9.0.0.3 and…