SB2021050618 - Multiple vulnerabilities in Cisco SD-WAN vEdge Software

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Main Vulnerability Database SB2021050618

SB2021050618 - Multiple vulnerabilities in Cisco SD-WAN vEdge Software

Published: May 6, 2021

Security Bulletin ID SB2021050618
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2021-1509)

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the vDaemon process in Cisco SD-WAN vEdge Software. A remote user can send specially crafted traffic to the system, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Buffer overflow (CVE-ID: CVE-2021-1510)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the packet mirroring feature in Cisco SD-WAN vEdge Software. A remote attacker can send specially crafted traffic to the system, trigger memory corruption and perform a denial of service (DoS) attack.


3) Buffer overflow (CVE-ID: CVE-2021-1511)

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in forwarding error correction in Cisco SD-WAN vEdge Software. A remote user authenticated to the device through IPsec can send specially crafted traffic to the system, trigger memory corruption and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References