VULNERABILITY INTELLIGENCE
CVE-2021-20021
CVSS score9.8 CRITICAL
EPSS probability88.78%
CISA KEVKnown exploited vulnerability
Published2021-04-09
Last modified2026-08-12
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
SonicWall Email Security Improper Privilege Management Vulnerability
Vendor / product: SonicWall / SonicWall Email Security
Description
A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.
Weakness classification
- PSIRT@sonicwall.com: CWE-269
- nvd@nist.gov: CWE-269
Primary references
- PSIRT@sonicwall.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource