SonicWall Secure Mobile Access 100

Our sources currently list 42 known vulnerabilities affecting SonicWall Secure Mobile Access 100. 10 are rated critical severity. 8 of 42 are actively exploited according to CISA, the most recent added 1 May 2025.

Last updated: 22 July 2026, 20:37 AEST

No current ASD advisory names this product.That describes the Australian Signals Directorate’s publication record — it is not a statement that this product is free of vulnerabilities. See the list below.

Known vulnerabilities in SonicWall Secure Mobile Access 100, highest risk first.
CVESeverityExploitationPublishedSummary
CVE-2024-38475Critical (9.1)Actively exploitedImproper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the se…
CVE-2021-20038Critical (9.8)Actively exploited · ransomwareA Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute cod…
CVE-2019-7481High (7.5)Actively exploited · ransomwareVulnerability 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-2023-44221High (7.2)Actively exploitedImproper neutralization of special elements in the SMA100 SSL-VPN management interface allows a remote authenticated attacker with administrative privilege to inject arbitrary comm…
CVE-2021-20016Critical (9.8)Actively exploited · ransomwareA 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 rel…
CVE-2021-20028Critical (9.8)Actively exploited · ransomwareImproper neutralization of a SQL Command leading to SQL Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products, specifically the SRA appliances running a…
CVE-2021-20035Medium (6.5)Actively exploitedImproper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentia…
CVE-2019-7483High (7.5)Actively exploitedIn 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-2021-20034Critical (9.1)Elevated likelihood (81%)An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting i…
CVE-2021-20039High (8.8)Elevated likelihood (78%)Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary comma…
CVE-2025-40596High (7.3)Elevated likelihood (56%)A Stack-based buffer overflow vulnerability in the SMA100 series web interface allows remote, unauthenticated attacker to cause Denial of Service (DoS) or potentially results in co…
CVE-2025-40598Medium (6.1)Elevated likelihood (53%)A Reflected cross-site scripting (XSS) vulnerability exists in the SMA100 series web interface, allowing a remote unauthenticated attacker to potentially execute arbitrary JavaScri…
CVE-2021-20044High (8.8)Elevated likelihood (40%)A post-authentication remote command injection vulnerability in SonicWall SMA100 allows a remote authenticated attacker to execute OS system commands in the appliance. This vulnera…
CVE-2025-32821High (7.2)Elevated likelihood (32%)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 a…
CVE-2025-40597High (7.5)Elevated likelihood (28%)A Heap-based buffer overflow vulnerability in the SMA100 series web interface allows remote, unauthenticated attacker to cause Denial of Service (DoS) or potentially results in cod…
CVE-2021-20040High (7.5)Elevated likelihood (26%)A relative path traversal vulnerability in the SMA100 upload funtion allows a remote unauthenticated attacker to upload crafted web pages or files as a 'nobody' user. This vulnerab…
CVE-2021-20045Critical (9.8)Elevated likelihood (25%)A buffer overflow vulnerability in SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method allows a remote unauthenticated attacker to potentially execute code as the 'nobody' user in …
CVE-2021-20043High (8.8)Elevated likelihood (23%)A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appl…
CVE-2024-53703High (8.1)Elevated likelihood (13%)A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library loaded by the Apache web server allows remote attackers to cause Stac…
CVE-2025-40599Critical (9.1)Elevated likelihood (12%)An authenticated arbitrary file upload vulnerability exists in the SMA 100 series web management interface. A remote attacker with administrative privileges can exploit this flaw t…
CVE-2022-1703High (8.8)Elevated likelihood (11%)Improper neutralization of special elements in the SonicWall SSL-VPN SMA100 series management interface allows a remote authenticated attacker to inject OS Commands which potential…
CVE-2019-7482Critical (9.8)No exploitation reportedStack-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 a…
CVE-2025-32819High (8.8)No exploitation reportedA 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 …
CVE-2021-20041High (7.5)No exploitation reportedAn unauthenticated and remote adversary can consume all of the device's CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with un…
CVE-2025-32820High (8.8)No exploitation reportedA 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 writabl…
CVE-2021-20042Critical (9.8)No exploitation reportedAn unauthenticated remote attacker can use SMA 100 as an unintended proxy or intermediary undetectable proxy to bypass firewall rules. This vulnerability affected SMA 200, 210, 400…
CVE-2022-22273Critical (9.8)No exploitation reportedImproper neutralization of Special Elements leading to OS Command Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products and older firmware versions of S…
CVE-2020-5146High (7.2)No exploitation reportedA vulnerability in SonicWall SMA100 appliance allow an authenticated management-user to perform OS command injection using HTTP POST parameters. This vulnerability affected SMA100 …
CVE-2019-7486High (8.8)No exploitation reportedCode 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-2019-7485High (8.8)No exploitation reportedBuffer 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…
CVE-2022-2915High (8.8)No exploitation reportedA Heap-based Buffer Overflow vulnerability in the SonicWall SMA100 appliance allows a remote authenticated attacker to cause Denial of Service (DoS) on the appliance or potentially…
CVE-2021-20049High (7.5)No exploitation reportedA vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerab…
CVE-2022-22279Medium (4.9)No exploitation reportedA post-authentication arbitrary file read vulnerability impacting end-of-life Secure Remote Access (SRA) products and older firmware versions of Secure Mobile Access (SMA) 100 seri…
CVE-2024-45318High (8.1)No exploitation reportedA vulnerability in the SonicWall SMA100 SSLVPN web management interface allows remote attackers to cause Stack-based buffer overflow and potentially lead to code execution.
CVE-2024-40763High (7.5)No exploitation reportedHeap-based buffer overflow vulnerability in the SonicWall SMA100 SSLVPN due to the use of strcpy. This allows remote authenticated attackers to cause Heap-based buffer overflow and…
CVE-2023-5970High (8.8)No exploitation reportedImproper authentication in the SMA100 SSL-VPN virtual office portal allows a remote authenticated attacker to create an identical external domain user using accent characters, resu…
CVE-2021-20050High (7.5)No exploitation reportedAn Improper Access Control Vulnerability in the SMA100 series leads to multiple restricted management APIs being accessible without a user login, potentially exposing configuration…
CVE-2019-7484Medium (6.5)No exploitation reportedAuthenticated SQL Injection in SonicWall SMA100 allow user to gain read-only access to unauthorized resources using viewcacert CGI script. This vulnerability impacted SMA100 versio…
CVE-2025-40603Medium (4.5)No exploitation reportedA potential exposure of sensitive information in log files in SonicWall SMA100 Series appliances may allow a remote, authenticated administrator, under certain conditions to view p…
CVE-2024-22395Medium (6.3)No exploitation reportedImproper access control vulnerability has been identified in the SMA100 SSL-VPN virtual office portal, which in specific conditions could potentially enable a remote authenticated …
CVE-2024-53702Medium (5.3)No exploitation reportedUse of cryptographically weak pseudo-random number generator (PRNG) vulnerability in the SonicWall SMA100 SSLVPN backup code generator that, in certain cases, can be predicted by a…
CVE-2024-45319Medium (6.3)No exploitation reportedA vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions allows a remote authenticated attacker can circumvent the certificate requirement duri…

Vulnerability data from the NVD andCISA KEV(US Government, public domain); Australian advisories fromASD’s ACSC (CC BY 4.0). Exploit-probability scores from FIRST EPSS.

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8 of these are being actively exploited right now.

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