CVE-2021-20675: M-System DL8-A Firmware

Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days.

M-System DL8 series (type A (DL8-A) versions prior to Ver3.0, type B (DL8-B) versions prior to Ver3.0, type C (DL8-C) versions prior to Ver3.0, type D (DL8-D) versions prior to Ver3.0, and type E (DL8-E) versions prior to Ver3.0) allows remote authenticated attackers to cause a denial of service (DoS) condition via unspecified vectors.

Affected products

• M-System DL8-A Firmware: before 3.0.81 (fixed in 3.0.81)
• M-System DL8-B Firmware: before 3.0.77 (fixed in 3.0.77)
• M-System DL8-C Firmware: before 3.0.99 (fixed in 3.0.99)
• M-System DL8-D Firmware: before 3.0.91 (fixed in 3.0.91)
• M-System DL8-E Firmware: before 3.0.12 (fixed in 3.0.12)

Published 2021-03-18. Last modified 2026-06-17.