Reference page — cumulative record through Monday, October 5, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N U H H H 9.8 .3008 98.2 YES
AFFECTED Product Versions Fixed SonicWall SRA/SMA100 8.x firmware – —
TIMELINE Dec 17 Reserved by sonicwall Aug 4 Published (CNA: sonicwall) Mar 28 Added to CISA KEV, remediation due 2022-04-18
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
| Date | Event | Detail |
|---|---|---|
| December 17, 2020 | Reserved | Reserved by sonicwall |
| August 4, 2021 | Published | Published (CNA: sonicwall) |
| March 28, 2022 | KEV ADDED | Added to CISA KEV, remediation due 2022-04-18 |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| SonicWall | SonicWall SRA/SMA100 | — | 8.x firmware | — |
Authoritative record: CVE-2021-20028 at cve.org
Vendors: sonicwall
Weaknesses: CWE-89
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-20028 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 5, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
