SB2022100618 - Improper Verification of Cryptographic Signature in Cisco Enterprise NFV Infrastructure Software
Published: October 6, 2022
Security Bulletin ID
SB2022100618
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2022-20929)
CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient cryptographic signature verification of upgrade files. A remote attacker can provide an unauthentic upgrade file for upload.
Remediation
Install update from vendor's website.