Vulnerability in Sonicwall Sma_200
CVE-2021-20041
An 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 unreachable exit condition. This vulnerability affected SMA 2…
EPSS: 0.068 (93.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Sonicwall Sma_200
- Sonicwall Sma_200_firmware — versions 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv
- Sonicwall Sma_210
- Sonicwall Sma_210_firmware — versions 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv
- Sonicwall Sma_400
- Sonicwall Sma_400_firmware — versions 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv
- Sonicwall Sma_410
- Sonicwall Sma_410_firmware — versions 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv
- Sonicwall Sma_500v
- Sonicwall Sma_500v_firmware — versions 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv
Weakness classification (CWE)
References
- PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-20041?
- CVE-2021-20041 is a high-severity vulnerability in Sonicwall Sma_200, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2021-12-08.
- How severe is CVE-2021-20041?
- High severity. CVSS v3 base score is 7.5 out of 10.