SB2020100106 - Multiple vulnerabilities in Cisco IOS XE Software



SB2020100106 - Multiple vulnerabilities in Cisco IOS XE Software

Published: October 1, 2020

Security Bulletin ID SB2020100106
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-3141)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to a lack of input and validation checking mechanisms for certain HTTP requests to APIs on an affected device. A remote authenticated attacker can send a specially crafted HTTP request and execute CLI commands or configuration changes as if they were an administrative user.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-3425)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to insufficient data protection of sensitive information. A remote authenticated attacker can send a specially crafted API call and gain elevated privileges on the target system.


Remediation

Install update from vendor's website.