CVE-2021-1509: Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities
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 Software
Event History
Frequently Asked Questions
What is CVE-2021-1509?
CVE-2021-1509 refers to multiple vulnerabilities in Cisco SD-WAN vEdge Software that could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device.
What is the severity of CVE-2021-1509?
CVE-2021-1509 has a severity rating of 7.5 (high).
Which software versions are affected by CVE-2021-1509?
Cisco SD-WAN vEdge Software versions 19.2.99, 20.4, and 20.5 are affected by CVE-2021-1509.
How can an attacker exploit CVE-2021-1509?
An attacker can exploit CVE-2021-1509 by executing arbitrary code as the root user or causing a denial of service (DoS) condition on an affected device.
How can I fix CVE-2021-1509?
To fix CVE-2021-1509, users should upgrade to a fixed version of Cisco SD-WAN vEdge Software, as mentioned in the Cisco Security Advisory.