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Vulnerable Software

Vulnerability Details CVE-2021-33500

PuTTY before 0.75 on Windows allows remote servers to cause a denial of service (Windows GUI hang) by telling the PuTTY window to change its title repeatedly at high speed, which results in many SetWindowTextA or SetWindowTextW calls. NOTE: the same attack methodology may affect some OS-level GUIs on Linux or other platforms for similar reasons.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 60.1%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2021-33500
  • 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
  • Microsoft » Windows » Version: N/A
    cpe:2.3:o:microsoft:windows:-


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