SB2020070209 - Multiple vulnerabilities in Cisco Small Business Smart and Managed Switches

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Main Vulnerability Database SB2020070209

SB2020070209 - Multiple vulnerabilities in Cisco Small Business Smart and Managed Switches

Published: July 2, 2020 Updated: August 6, 2020

Security Bulletin ID SB2020070209
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) Improper Authentication (CVE-ID: CVE-2020-3297)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the use of weak entropy generation for session identifier values. A remote attacker can perform a brute-force attack to determine a current session identifier, bypass authentication process and gain unauthorized access to the application.


2) Input validation error (CVE-ID: CVE-2020-3363)

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

The vulnerability exists due to insufficient validation of user-supplied input in the IPv6 packet processing engine. A remote attacker can send a specially crafted IPv6 packet and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References