CVE-2021-20022
ENISA EUVD: EUVD-2021-7485 ↗
Exploited in the Wild
✓ Confirmed 0-Day
Triaged: March 20, 2026
2 articles
EPSS Score
Source: FIRST.org · 2026-05-24
32.6%
probability
This CVE has a 32.6% probability
of being exploited in the next 30 days.
0%
Top 96.9th percentile of all CVEs
100%
CVSS v3.1
Source: NVD7.2
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products
Attack Intelligence
SonicWall warns customers to patch 3 zero-days exploited in the wild
BleepingComputer
Apr 20, 2021
Signal Intelligence
Confidence
85%
EPSS
32.6%
CVSS v3.1
7.2
Mentions
2
Last Seen
Apr 20, 2021
CNA Information
Analyst Note
CVE-2021-20022 is explicitly named in authoritative sources (TheHackerNews, BleepingComputer) as one of three zero-day vulnerabilities actively exploited in the wild against SonicWall Email Security appliances. Both articles confirm zero-day status with active exploitation preceding vendor patch availability.
Triage Info
Decided atMar 20, 2026