CVE-2021-20028 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-03-28
SonicWall Secure Remote Access (SRA) and SMA products contain an improper neutralization of SQL commands, leading to a critical SQL injection vulnerability. The flaw impacts end-of-life SRA appliances running 8.x or early 9.x firmware, potentially allowing unauthenticated remote attackers to execute arbitrary SQL queries.
Yes. CVE-2021-20028 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.
How severe is CVE-2021-20028?
Critical severity, with a CVSS score of 9.8, published 28 March 2022.
Which products and versions are affected?
SonicWall Secure Remote Access (SRA) firmware 8.x, 9.0.0.9-26sv or earlier; SonicWall SMA 210 firmware 8.0.0.0 to 9.0.0.10-28sv; SonicWall SMA 410 firmware 8.0.0.0 to 9.0.0.10-28sv; SonicWall SMA 500v firmware 8.0.0.0 to 9.0.0.10-28sv.
Is there a fix for CVE-2021-20028?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2021-20028 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2021-20028?
Check whether you run SonicWall Secure Remote Access (SRA). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
SonicWall Secure Remote Access (SRA) firmware 8.x, 9.0.0.9-26sv or earlier
SonicWall SMA 210 firmware 8.0.0.0 to 9.0.0.10-28sv
SonicWall SMA 410 firmware 8.0.0.0 to 9.0.0.10-28sv
SonicWall SMA 500v firmware 8.0.0.0 to 9.0.0.10-28sv
Timeline
2021-02-01: disclosed: SonicWall PSIRT Advisory SNWLID-2021-0017 published
2022-03-28: kev added: Added to CISA Known Exploited Vulnerabilities Catalog