SB2022111025 - Information disclosure in Cisco Firepower Threat Defense Software
Published: November 10, 2022
Security Bulletin ID
SB2022111025
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Observable discrepancy (CVE-ID: CVE-2022-20940)
CWE-ID: CWE-203 - Observable discrepancy
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to observable discrepancy issue in the TLS handler. A remote attacker can send specially crafted TLS messages and gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.