CVE-2021-20028

SonicWall Secure Remote Access (SRA): SQL Injection

As of , CVE-2021-20028 in SonicWall Secure Remote Access (SRA) is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 28 March 2022
US federal deadline
18 April 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Known
EPSS score
0.30Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.09 on 28 March 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

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

CISA's required action

What the flaw is

SonicWall Secure Remote Access (SRA) products contain an improper neutralization of a SQL Command leading to SQL injection.

CISA's 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

The CVE record's description, from sonicwall

CVE published
4 August 2021
Assigned by
sonicwall
CVSS
9.8 Critical (CVSS 3.1, from CISA-ADP)
CWE-89
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Read further