CVE-2021-1511: Cisco Vedge 1000 Firmware

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Affected products

• Cisco Vedge 1000 Firmware: from 20.4, before 20.4.1 (fixed in 20.4.1); from 20.5, before 20.5.1 (fixed in 20.5.1); version 19.2.99 only
• Cisco Vedge 100 Firmware: from 20.4, before 20.4.1 (fixed in 20.4.1); from 20.5, before 20.5.1 (fixed in 20.5.1); version 19.2.99 only
• Cisco Vedge 100b Firmware: from 20.4, before 20.4.1 (fixed in 20.4.1); from 20.5, before 20.5.1 (fixed in 20.5.1); version 19.2.99 only
• Cisco Vedge 100m Firmware: from 20.4, before 20.4.1 (fixed in 20.4.1); from 20.5, before 20.5.1 (fixed in 20.5.1); version 19.2.99 only
• Cisco Vedge 100wm Firmware: from 20.4, before 20.4.1 (fixed in 20.4.1); from 20.5, before 20.5.1 (fixed in 20.5.1); version 19.2.99 only
• Cisco Vedge 2000 Firmware: from 20.4, before 20.4.1 (fixed in 20.4.1); from 20.5, before 20.5.1 (fixed in 20.5.1); version 19.2.99 only
• Cisco Vedge 5000 Firmware: from 20.4, before 20.4.1 (fixed in 20.4.1); from 20.5, before 20.5.1 (fixed in 20.5.1); version 19.2.99 only
• Cisco Vedge Cloud Firmware: from 20.4, before 20.4.1 (fixed in 20.4.1); from 20.5, before 20.5.1 (fixed in 20.5.1); version 19.2.99 only

Published 2021-05-06. Last modified 2026-06-17.