CVE-2020-14002: Medium severity putty vulnerability
PuTTY 0.68 through 0.73 has an Observable Discrepancy leading to an information leak 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).
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-14002?
CVE-2020-14002 is a vulnerability in PuTTY versions 0.68 through 0.73 that allows man-in-the-middle attackers to target initial connection attempts and leak information in the algorithm negotiation process.
What software is affected by CVE-2020-14002?
PuTTY versions 0.68 through 0.73, NetApp OnCommand Unified Manager Core Package, and Fedora versions 31 and 32 are affected by CVE-2020-14002.
What is the severity of CVE-2020-14002?
The severity of CVE-2020-14002 is medium with a CVSS score of 5.9.
How can an attacker exploit CVE-2020-14002?
An attacker can exploit CVE-2020-14002 by performing a man-in-the-middle attack during the initial connection attempt and intercepting the algorithm negotiation process to leak information.
Are there any fixes or patches available for CVE-2020-14002?
Yes, it is recommended to update to the latest version of PuTTY (0.74 or higher) to mitigate the vulnerability.