Cisco FTD CLI injection allows root-level command execution
CVE-2021-34752 Published on November 15, 2024
Cisco Firepower Threat Defense Command Injection Vulnerabilities
A vulnerability in the CLI of Cisco FTD Software could allow an authenticated, local attacker with administrative privileges to execute arbitrary commands with root privileges on the underlying operating system of an affected device.
This vulnerability is due to insufficient validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input to the affected commands. A successful exploit could allow the attacker to execute commands with root privileges on the underlying operating system.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Vulnerability Analysis
CVE-2021-34752 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2021-34752
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Affected Versions
Cisco Firepower Threat Defense Software:- Version 6.2.3 is affected.
- Version 6.6.0.1 is affected.
- Version 6.4.0.6 is affected.
- Before 6.4.0.13 is affected.
- Version 6.5.0 and below 6.6.5 is affected.
- Version 6.7.0 and below 6.7.0.3 is affected.
- Version 7.0.0 and below 7.0.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.