CVE-2021-1359

MEDIUM

Cisco AsyncOS 11.8.0-12.0.3-005 - Authenticated Command Injection and Privilege Escalation via XML Configuration Upload

Title source: llm
STIX 2.1

Description

A vulnerability in the configuration management of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to perform command injection and elevate privileges to root. This vulnerability is due to insufficient validation of user-supplied XML input for the web interface. An attacker could exploit this vulnerability by uploading crafted XML configuration files that contain scripting code to a vulnerable device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root. An attacker would need a valid user account with the rights to upload configuration files to exploit this vulnerability.

References (1)

Core 1

Scores

CVSS v3 6.3
EPSS 0.0118
EPSS Percentile 79.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-112
Status published
Products (3)
cisco/asyncos 11.8.0 - 12.0.3-005
cisco/web_security_appliance 11.8.0-429
cisco/web_security_appliance 11.8.0-453
Published Jul 08, 2021
Tracked Since Feb 18, 2026