Sonicwall Email Security Appliance 5000 Firmware — known CVE vulnerabilities

Every CVE whose affected-product data names Sonicwall Email Security Appliance 5000 Firmware, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (5)

• CVE-2021-20021 — CVSS 9.8 (critical) — actively exploited: A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a…
• CVE-2025-40604 — CVSS 9.8 (critical): Download of Code Without Integrity Check Vulnerability in the SonicWall Email Security appliance loads root filesystem images without…
• CVE-2021-20022 — CVSS 7.2 (high) — actively exploited: SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to…
• CVE-2025-40605 — CVSS 5.3 (medium): A Path Traversal vulnerability has been identified in the Email Security appliance allows an attacker to manipulate file system paths by…
• CVE-2021-20023 — CVSS 4.9 (medium) — actively exploited: SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on…