Vulnerability Monitor

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CVE-2021-20038

A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions.

Published

2021-12-08T10:15:07.750

Last Modified

2025-03-14T16:48:26.593

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-121
  • Type: Secondary
    CWE-787
  • Type: Secondary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System sonicwall sma_200_firmware 10.2.0.8-37sv Yes
Operating System sonicwall sma_200_firmware 10.2.1.1-19sv Yes
Operating System sonicwall sma_200_firmware 10.2.1.2-24sv Yes
Hardware sonicwall sma_200 - No
Operating System sonicwall sma_210_firmware 10.2.0.8-37sv Yes
Operating System sonicwall sma_210_firmware 10.2.1.1-19sv Yes
Operating System sonicwall sma_210_firmware 10.2.1.2-24sv Yes
Hardware sonicwall sma_210 - No
Operating System sonicwall sma_410_firmware 10.2.0.8-37sv Yes
Operating System sonicwall sma_410_firmware 10.2.1.1-19sv Yes
Operating System sonicwall sma_410_firmware 10.2.1.2-24sv Yes
Hardware sonicwall sma_410 - No
Operating System sonicwall sma_400_firmware 10.2.0.8-37sv Yes
Operating System sonicwall sma_400_firmware 10.2.1.1-19sv Yes
Operating System sonicwall sma_400_firmware 10.2.1.2-24sv Yes
Hardware sonicwall sma_400 - No
Operating System sonicwall sma_500v_firmware 10.2.0.8-37sv Yes
Operating System sonicwall sma_500v_firmware 10.2.1.1-19sv Yes
Operating System sonicwall sma_500v_firmware 10.2.1.2-24sv Yes
Hardware sonicwall sma_500v - No
References