P

Putty

United Kingdom Open Source www.chiark.greenend.org.uk/~sgtatham/putty/ ↗
C
CAUTION
5
Total CVEs
0
Crit / High
0
Medium
0%
Unpatched
100%
Patched
3.5
Avg CVSS
0
CISA KEV
// Data sourced from NVD · CISA KEV · RHSA · GHSA · Debian · OSV · EPSS · Exploit-DB How we collect data →
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OSINT FINANCIALS EXEC PROFILES BREACH DB
▸ CVE Trend by Year
▸ Patch Coverage
Patched
100%
Unpatched
0%
✓ 1 patched ✗ 0 unpatched
▸ Intelligence by Audience
PoC Available
0 / 20 shown
CISA KEV (Exploited)
0
Shodan Dorks
ssl:"putty" port:443
org:"Putty" http.status:200
Top EPSS (Exploitation Probability)
CVE-2024-31497 5.77% exploitation probability
Quick Facts for Reporting
Total CVEs tracked
5
Critical severity
0
Actively exploited (CISA)
0
Unpatched ratio
0%
Avg CVSS score
3.5
Security grade
C (CAUTION)
NVD Data Attribution
Source: NIST National Vulnerability Database (NVD) + GitHub Advisory Database.
Data aggregated by Valters IT Hub · valtersit.com
Last updated: 2026-07-21
Security Risk Score (for investors)
LOW
Vuln Volume
GOOD
Patch Responsiveness
LOW
CISA Exposure
⚠ Not financial advice. Past security incidents do not guarantee future stock performance.
▸ Security News Google News
Hackers Target PuTTY Users With SEO Poisoning and Ethereum-Powered Malware - GBHackers News
GBHackers News 3d ago
PuTTY 0.84 Fixes SSH KEX Crashes and Telnet Spoofing Flaw - Cyber Press
Cyber Press 2026-05-26
Nitrogen Ransomware Attack on Foxconn: Malvertising Threats, ESXi Vulnerability, and Supply Chain Risks in Manufacturing - Rescana
Rescana 2026-06-09
PuTTY 0.84 Released With Fix for SSH KEX Crashes and Telnet Prompt Spoofing Flaw - CyberSecurityNews
CyberSecurityNews 2026-05-26
Widely-Used PuTTY SSH Client Found Vulnerable to Key Recovery Attack - The Hacker News
The Hacker News 2024-04-16
PuTTY 0.84 Update Patches SSH Key Exchange Crash Issues and Telnet Prompt Spoofing Flaw - GBHackers News
GBHackers News 2026-05-26
▸ Recent CVEs showing 20 of 1
CVE IDSeverityPatchEPSSDate
CVE-2024-31497 5.9 MEDIUM PATCHED / FIX AVAILABLE 5.77% 2024-04-15
View all 1 CVEs for Putty →
▸Intel
CountryUnited Kingdom
LicenseOpen Source
Trust ScoreC — CAUTION
Max CVSS3.7
Last Updated2026-07-21
▸Top Weaknesses
CWE-345
Unknown Weakness Type
2 occurrences in Putty CVEs (40% of total)
CWE-345 ⓘ
2
CWE-617
Unknown Weakness Type
1 occurrence in Putty CVEs (20% of total)
CWE-617 ⓘ
1
CWE-338
Unknown Weakness Type
1 occurrence in Putty CVEs (20% of total)
CWE-338 ⓘ
1
CWE-415
Unknown Weakness Type
1 occurrence in Putty CVEs (20% of total)
CWE-415 ⓘ
1
▸Company Profile

PuTTY is a free and open-source terminal emulator, serial console, and network file transfer application, primarily used for SSH, Telnet, and rlogin connections. It is widely used by system administrators and security professionals for remote server management, and its significance in cybersecurity stems from its role as a critical tool for secure remote access and its history of patching vulnerabilities.

▸Response Metrics
Est. MTTR ⓘ ~60 days (Average)
Mean Time To Remediate. Estimates days from CVE disclosure to patch.
Industry avg: ~60d (good) · 100-300d (poor) · 300d+ (critical)
CVE Trend ⓘ ↗ +300% worse
CVE count 2026 vs 2024:  1 → 4 CVEs
Patch Speed ⓘ Poor (>65% open)
0% of CVEs still unpatched.  Excellent: <20% · Good: 20-40% · Avg: 40-65% · Poor: >65%
▸ Financial Risk Estimate
Est. GDPR Low
€600K
Est. GDPR High
€6.0M

Based on 0 critical CVEs, 0 CISA KEV, 100% unpatched. Model: GDPR Art.83 · not legal advice.

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