CVE-2021-20035

Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands...

Basic Information

CVE State: PUBLISHED
Reserved Date: December 17, 2020
Published Date: September 27, 2021
Last Updated: June 06, 2025
Vendor: SonicWall
Product: SMA100
Description: Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.
Tags

CVSS Scores

CVSS v3.1

6.5 - MEDIUM

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

6.8

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C

EPSS Score

Score: 22.43% (Percentile: 95.49%) as of 2025-05-14

SSVC Information

Exploitation: active
Technical Impact: total

Exploit Status

Exploited in the Wild: Yes (2025-04-16 00:00:00 UTC) Source

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0022

Known Exploited Vulnerability Information

Source	Added Date
CISA	2025-04-16 00:00:00 UTC

Timeline

CVE ID Reserved

December 17, 2020
CVE Published to Public

September 27, 2021
Added to KEVIntel

April 16, 2025