Is CVE-2020-14002 in the CISA KEV catalog?

No. CVE-2020-14002 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-14002?

CVE-2020-14002 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2020-14002?

CVE-2020-14002 has an EPSS score of 3.15% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-14002?

Upgrade putty on debian 11 to 0.74-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-14002

MEDIUMEPSS 86th pctl

5.9

CVSS v3

NVD

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).

CWE-203

How to fix

Remediation Available

puttyDebian

Fixed in:0.74-1CVE-2020-14002

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

3.15%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Third-Party Advisory4

Other references3

Embed a live status badge for CVE-2020-14002

Markdown

[![CVE-2020-14002](https://tridentstack.com/cve/badge/CVE-2020-14002.svg)](https://tridentstack.com/cve/CVE-2020-14002)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-14002"><img src="https://tridentstack.com/cve/badge/CVE-2020-14002.svg" alt="CVE-2020-14002"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.