SB2021102127 - Improper Verification of Cryptographic Signature in Some Huawei Products
Published: October 21, 2021
Security Bulletin ID
SB2021102127
CSH Severity
Low
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-2021-37127)
CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to a signature management issue. A remote administrator can forge signature, bypass the signature check to gain the admin privilege and access the device.
Remediation
Install update from vendor's website.