Actively exploited · Published Aug 4, 2021 · Assigned by sonicwall

CVE-2021-20028

Critical 9.8 Exploited Ransomware

In plain English

A critical-severity SQL injection in SonicWall SRA/SMA100 from SonicWall. Attackers are actively exploiting it in the wild (listed by CISA on March 28, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 30.1% (higher than 98% of all known vulnerabilities). The impacted product is end-of-life and should be disconnected if still in use.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)30.1%top 1.8% of all CVEs
Exploited in the wildYesCISA KEV since Mar 28, 2022
Attack toolingNoneno public tooling known

CISA guidance

The impacted product is end-of-life and should be disconnected if still in use.

Federal agencies must remediate by Apr 18, 2022.

Official description

Improper neutralization of a SQL Command leading to SQL Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products, specifically the SRA appliances running all 8.x firmware and 9.0.0.9-26sv or earlier

Affected products (as reported)

VendorProductVersions
SonicWall SonicWall SRA/SMA100 8.x firmware9.0.0.9-26sv and earlier.

Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References