CVE-2020-14002 Information disclosure in n/a

What is CVE-2020-14002?

CVE-2020-14002 is a medium-severity vulnerability in Fedoraproject Fedora, published on 29 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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).

Weakness: CWE-203

Which versions are affected by CVE-2020-14002?

It affects 3 products.

Products include Fedoraproject Fedora, Netapp Oncommand Unified Manager Core Package, Putty Putty.

How do I fix CVE-2020-14002?

Upgrade to a fixed version.

Is CVE-2020-14002 being exploited?

There is no known exploitation of CVE-2020-14002 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2020-14002, DEBIAN-CVE-2020-14002, GHSA-f25w-hjcw-x829, MGASA-2020-0358, MGASA-2021-0380, UBUNTU-CVE-2020-14002.