SB2021012109 - Multiple vulnerabilities in Cisco SD-WAN, Cisco IOS XE SD-WAN and Cisco IOS XE

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Main Vulnerability Database SB2021012109

SB2021012109 - Multiple vulnerabilities in Cisco SD-WAN, Cisco IOS XE SD-WAN and Cisco IOS XE

Published: January 21, 2021

Security Bulletin ID SB2021012109
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2021-1300)

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

The vulnerability exists due to incorrect handling of IP traffic. A remote attacker can 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-2021-1301)

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

The vulnerability exists due to a boundary error in the NETCONF subsystem. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.

References