SB2021102916 - Multiple vulnerabilities in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software

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Main Vulnerability Database SB2021102916

SB2021102916 - Multiple vulnerabilities in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software

Published: October 29, 2021

Security Bulletin ID SB2021102916
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improperly implemented security check for standard (CVE-ID: CVE-2021-34790)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient traffic validation within the Session Initiation Protocol (SIP) Application Level Gateway (ALG) for the Network Address Translation (NAT) feature. A remote attacker can send a specially crafted SIP traffic, open unauthorized connections to the remote host and undertake actions leveraging that host. 


2) Improperly implemented security check for standard (CVE-ID: CVE-2021-34791)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient traffic validation within the File Transfer Protocol (FTP) Application Level Gateway (ALG) for the Network Address Translation (NAT) feature. A remote attacker can send a specially crafted FTP traffic, open unauthorized connections to the remote host and undertake actions leveraging that host. 


Remediation

Install update from vendor's website.

References