Cisco IOS XR code execution | CVE-2023-20135
NAME
__________
Cisco IOS XR code execution
Platforms Affected:
Cisco IOS XR 7.5.2
Cisco IOS XR 7.7
Risk Level:
5.7
Exploitability:
Unproven
Consequences:
Gain Access
DESCRIPTION
__________
Cisco IOS XR could allow a local authenticated attacker to execute arbitrary code on the system, caused by a time-of-check time-of-use (TOCTOU) race condition in the ISO image installation process. By modifying an ISO image and then carrying out install requests in parallel, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS 3.0 Information
__________
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged
Access Vector:
Local
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