SB2021021012 - Use of insufficiently random values in uC/TCP-IP
Published: February 10, 2021
Security Bulletin ID
SB2021021012
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of insufficiently random values (CVE-ID: CVE-2020-27630)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the ISN generator relies on LCG, which is reversible from observed output streams. A remote attacker can interfere with traffic, spoof the connection and gain access to sensitive information.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.