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 L N U N N H 6.5 .0418 90.6 YES
AFFECTED Product Versions Fixed SMA100 9.0.0.10-28sv and earlier – —
TIMELINE Dec 17 Reserved by sonicwall Sep 27 Published (CNA: sonicwall) Apr 16 Added to CISA KEV, remediation due 2025-05-07
Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.
| Date | Event | Detail |
|---|---|---|
| December 17, 2020 | Reserved | Reserved by sonicwall |
| September 27, 2021 | Published | Published (CNA: sonicwall) |
| April 16, 2025 | KEV ADDED | Added to CISA KEV, remediation due 2025-05-07 |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| SonicWall | SMA100 | — | 9.0.0.10-28sv and earlier | — |
Authoritative record: CVE-2021-20035 at cve.org
Vendors: sonicwall
Weaknesses: CWE-78
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-20035 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.
