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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-36367

PuTTY through 0.75 proceeds with establishing an SSH session even if it has never sent a substantive authentication response. This makes it easier for an attacker-controlled SSH server to present a later spoofed authentication prompt (that the attacker can use to capture credential data, and use that data for purposes that are undesired by the client user).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 48.8%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 5.8
Products affected by CVE-2021-36367
  • Putty » Putty » Version: N/A
    cpe:2.3:a:putty:putty:-
  • Putty » Putty » Version: 0.45
    cpe:2.3:a:putty:putty:0.45
  • Putty » Putty » Version: 0.46
    cpe:2.3:a:putty:putty:0.46
  • Putty » Putty » Version: 0.47
    cpe:2.3:a:putty:putty:0.47
  • Putty » Putty » Version: 0.48
    cpe:2.3:a:putty:putty:0.48
  • Putty » Putty » Version: 0.49
    cpe:2.3:a:putty:putty:0.49
  • Putty » Putty » Version: 0.50
    cpe:2.3:a:putty:putty:0.50
  • Putty » Putty » Version: 0.51
    cpe:2.3:a:putty:putty:0.51
  • Putty » Putty » Version: 0.52
    cpe:2.3:a:putty:putty:0.52
  • Putty » Putty » Version: 0.53
    cpe:2.3:a:putty:putty:0.53
  • Putty » Putty » Version: 0.53b
    cpe:2.3:a:putty:putty:0.53b
  • Putty » Putty » Version: 0.54
    cpe:2.3:a:putty:putty:0.54
  • Putty » Putty » Version: 0.55
    cpe:2.3:a:putty:putty:0.55
  • Putty » Putty » Version: 0.56
    cpe:2.3:a:putty:putty:0.56
  • Putty » Putty » Version: 0.57
    cpe:2.3:a:putty:putty:0.57
  • Putty » Putty » Version: 0.58
    cpe:2.3:a:putty:putty:0.58
  • Putty » Putty » Version: 0.59
    cpe:2.3:a:putty:putty:0.59
  • Putty » Putty » Version: 0.60
    cpe:2.3:a:putty:putty:0.60
  • Putty » Putty » Version: 0.61
    cpe:2.3:a:putty:putty:0.61
  • Putty » Putty » Version: 0.62
    cpe:2.3:a:putty:putty:0.62
  • Putty » Putty » Version: 0.63
    cpe:2.3:a:putty:putty:0.63
  • Putty » Putty » Version: 0.65
    cpe:2.3:a:putty:putty:0.65
  • Putty » Putty » Version: 0.66
    cpe:2.3:a:putty:putty:0.66
  • Putty » Putty » Version: 0.67
    cpe:2.3:a:putty:putty:0.67
  • Putty » Putty » Version: 0.68
    cpe:2.3:a:putty:putty:0.68
  • Putty » Putty » Version: 0.69
    cpe:2.3:a:putty:putty:0.69
  • Putty » Putty » Version: 0.70
    cpe:2.3:a:putty:putty:0.70
  • Putty » Putty » Version: 0.71
    cpe:2.3:a:putty:putty:0.71
  • Putty » Putty » Version: 0.72
    cpe:2.3:a:putty:putty:0.72
  • Putty » Putty » Version: 0.73
    cpe:2.3:a:putty:putty:0.73
  • Putty » Putty » Version: 0.74
    cpe:2.3:a:putty:putty:0.74
  • Putty » Putty » Version: 0.75
    cpe:2.3:a:putty:putty:0.75


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