SB2023030928 - Information disclosure in Cisco IOS XR
Published: March 9, 2023
Security Bulletin ID
SB2023030928
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2023-20064)
The vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to the inclusion of unnecessary commands within the GRand Unified Bootloader (GRUB). An attacker with physical access can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.