Exploited vulnerability · CISA KEV

Is CVE-2021-20028 exploited? Yes: in CISA KEV since 28 Mar 2022

Gociux · SonicWall Secure Remote Access (SRA) · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2021-20028, SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 28 Mar 2022, 236 days after it was published. It is known to be used in ransomware campaigns. It affects SonicWall Secure Remote Access (SRA), an internet-facing product of the kind attackers use for initial access. If you run it, CISA's required action is: The impacted product is end-of-life and should be disconnected if still in use.

What it is

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

What to do

1. Check whether you run it. Look for Secure Remote Access (SRA) in your asset inventory, including appliances and cloud images. Stack check lists every exploited SonicWall CVE at once.
2. Apply the fix. The impacted product is end-of-life and should be disconnected if still in use.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 4 Aug 2021.
4. Get told next time. Email alerts when CISA adds a CVE for SonicWall.

References

• nvd.nist.gov/vuln/detail/CVE-2021-20028

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in March 2022 · SonicWall scorecard · act-now radar.