QID 316969

Date Published: 2021-05-10

QID 316969: Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities(cisco-sa-sdwan-buffover-MWGucjtO)

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.

Affected Products
Cisco products if they are running a vulnerable release of Cisco SD-WAN vEdge Software: SD-WAN vEdge Cloud Routers
SD-WAN vEdge Routers
Cisco SD-WAN Software releases :
Prior to 20.4.1
From 20.5.0 Prior to 20.5.1
Note: Support only for SD-WAN vedge-100-M.

QID detection logic:
The QID checks for Cisco SD WAN version retrieved via Unix Auth using "show system status" command.

A successful exploit could allow the attacker to conduct a controllable buffer overflow attack and
possibly execute arbitrary commands as the root user, or cause the device to reload, resulting in a DoS condition.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Critical - 8.5 severity.
    • Solution

    Customers are advised to refer to cisco-sa-sdwan-buffover-MWGucjtO for more information.

    Vendor References

    CVEs related to QID 316969

    CVE-2021-1509 | CVE-2021-1511 | CVE-2021-1510 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-sdwan-buffover-MWGucjtO URL Logo tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO
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