Skip to main content

CVEDatabase.com

CVEDatabase.com

CVEDatabase.com

CVEDatabase.com

CVEDatabase.com

Loading

CVEDatabase.com

Live vulnerability intelligence

Search CVEs, review live threat context, and move from vulnerability discovery to remediation planning with source-backed data from NVD, CISA KEV, and EPSS.

NVDCISA KEVEPSS· Refreshed hourly

Company & legal

About
Sponsorship
Contact
Privacy
Cookies
Terms

Data sources and trademarks

CVEDatabase.com uses data from the National Vulnerability Database, CISA Known Exploited Vulnerabilities, and FIRST EPSS. This site is not endorsed by NVD, MITRE, CISA, or FIRST. CVE is a registered trademark of The MITRE Corporation.

NVD CISA KEV EPSS MITRE CVE

Sitemap

AI executive summary
AI remediation
All features
Blog
Browse by severity
Browse by year
Browse vendors
Bulk analysis
CISA KEV
CVSS scoring
CWE browser
Data dashboard
Developer security
EPSS
Exploited (KEV)
Glossary
Help center
Learn hub
Master RSS
MITRE ATT&CK
OpenSearch
Patch Tuesday
Patching playbook
REST API
RSS feeds
SBOM scanner
Search CVEs
Understanding CVE
Vulnerability management

© 2026 Brilliant Dog Ltd. All rights reserved.

Home PuttyCVE-2019-9894

High

7.5CVSS

CVE-2019-9894

Vendor:Putty

Published: 21 Mar 2019

Updated 1y ago

Generated remediation guidance and an executive summary. No account required.

Description

A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: none
Weaknesses: CWE-320

Metadata

Primary Vendor: PUTTY
Published: 3/21/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

putty : puttyfedoraproject : fedorafedoraproject : fedoradebian : debian_linuxdebian : debian_linuxnetapp : oncommand_unified_manageropensuse : leap

Remediation Guidance

Executive Summary

View on NIST NVD

Fix CVE-2019-9894 - HIGH putty putty | CVEDatabase.com

Related reading

Use CWE-320, Putty vendor hub and Putty product page to widen CVE-2019-9894 into its surrounding weakness, vendor, and product context.

Compare it with CVE-2019-17067, CVE-2019-9898 and CVE-2021-36367 for nearby disclosures in the same product family.