SB2020063042 - Fedora 31 update for putty
Published: June 30, 2020 Updated: April 25, 2025
Security Bulletin ID
SB2020063042
Severity
Medium
Patch available
YES
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) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2020-14002)
The vulnerability allows a remote attacker to perform a Man-in-the-Middle (MitM) attack.
The vulnerability exists due to an observable discrepancy issue in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client).
Remediation
Install update from vendor's website.