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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-5249

In Puma (RubyGem) before 4.3.3 and 3.12.4, if an application using Puma allows untrusted input in an early-hints header, an attacker can use a carriage return character to end the header and inject malicious content, such as additional headers or an entirely new response body. This vulnerability is known as HTTP Response Splitting. While not an attack in itself, response splitting is a vector for several other attacks, such as cross-site scripting (XSS). This is related to CVE-2020-5247, which fixed this vulnerability but only for regular responses. This has been fixed in 4.3.3 and 3.12.4.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.4%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.0
References
Products affected by CVE-2020-5249
  • Puma » Puma » Version: N/A
    cpe:2.3:a:puma:puma:-
  • Puma » Puma » Version: 1.0.0
    cpe:2.3:a:puma:puma:1.0.0
  • Puma » Puma » Version: 1.1.0
    cpe:2.3:a:puma:puma:1.1.0
  • Puma » Puma » Version: 1.1.1
    cpe:2.3:a:puma:puma:1.1.1
  • Puma » Puma » Version: 1.2.0
    cpe:2.3:a:puma:puma:1.2.0
  • Puma » Puma » Version: 1.2.1
    cpe:2.3:a:puma:puma:1.2.1
  • Puma » Puma » Version: 1.2.2
    cpe:2.3:a:puma:puma:1.2.2
  • Puma » Puma » Version: 1.3.0
    cpe:2.3:a:puma:puma:1.3.0
  • Puma » Puma » Version: 1.3.1
    cpe:2.3:a:puma:puma:1.3.1
  • Puma » Puma » Version: 1.4.0
    cpe:2.3:a:puma:puma:1.4.0
  • Puma » Puma » Version: 1.5.0
    cpe:2.3:a:puma:puma:1.5.0
  • Puma » Puma » Version: 1.6.2
    cpe:2.3:a:puma:puma:1.6.2
  • Puma » Puma » Version: 2.0.0
    cpe:2.3:a:puma:puma:2.0.0
  • Puma » Puma » Version: 2.0.1
    cpe:2.3:a:puma:puma:2.0.1
  • Puma » Puma » Version: 2.1.0
    cpe:2.3:a:puma:puma:2.1.0
  • Puma » Puma » Version: 2.1.1
    cpe:2.3:a:puma:puma:2.1.1
  • Puma » Puma » Version: 2.10.0
    cpe:2.3:a:puma:puma:2.10.0
  • Puma » Puma » Version: 2.10.1
    cpe:2.3:a:puma:puma:2.10.1
  • Puma » Puma » Version: 2.10.2
    cpe:2.3:a:puma:puma:2.10.2
  • Puma » Puma » Version: 2.11.0
    cpe:2.3:a:puma:puma:2.11.0
  • Puma » Puma » Version: 2.11.2
    cpe:2.3:a:puma:puma:2.11.2
  • Puma » Puma » Version: 2.11.3
    cpe:2.3:a:puma:puma:2.11.3
  • Puma » Puma » Version: 2.12.0
    cpe:2.3:a:puma:puma:2.12.0
  • Puma » Puma » Version: 2.12.1
    cpe:2.3:a:puma:puma:2.12.1
  • Puma » Puma » Version: 2.12.2
    cpe:2.3:a:puma:puma:2.12.2
  • Puma » Puma » Version: 2.12.3
    cpe:2.3:a:puma:puma:2.12.3
  • Puma » Puma » Version: 2.13.0
    cpe:2.3:a:puma:puma:2.13.0
  • Puma » Puma » Version: 2.13.1
    cpe:2.3:a:puma:puma:2.13.1
  • Puma » Puma » Version: 2.13.2
    cpe:2.3:a:puma:puma:2.13.2
  • Puma » Puma » Version: 2.13.3
    cpe:2.3:a:puma:puma:2.13.3
  • Puma » Puma » Version: 2.13.4
    cpe:2.3:a:puma:puma:2.13.4
  • Puma » Puma » Version: 2.14.0
    cpe:2.3:a:puma:puma:2.14.0
  • Puma » Puma » Version: 2.15.0
    cpe:2.3:a:puma:puma:2.15.0
  • Puma » Puma » Version: 2.15.1
    cpe:2.3:a:puma:puma:2.15.1
  • Puma » Puma » Version: 2.15.2
    cpe:2.3:a:puma:puma:2.15.2
  • Puma » Puma » Version: 2.15.3
    cpe:2.3:a:puma:puma:2.15.3
  • Puma » Puma » Version: 2.16.0
    cpe:2.3:a:puma:puma:2.16.0
  • Puma » Puma » Version: 2.2.0
    cpe:2.3:a:puma:puma:2.2.0
  • Puma » Puma » Version: 2.2.1
    cpe:2.3:a:puma:puma:2.2.1
  • Puma » Puma » Version: 2.2.2
    cpe:2.3:a:puma:puma:2.2.2
  • Puma » Puma » Version: 2.3.0
    cpe:2.3:a:puma:puma:2.3.0
  • Puma » Puma » Version: 2.3.1
    cpe:2.3:a:puma:puma:2.3.1
  • Puma » Puma » Version: 2.3.2
    cpe:2.3:a:puma:puma:2.3.2
  • Puma » Puma » Version: 2.4.0
    cpe:2.3:a:puma:puma:2.4.0
  • Puma » Puma » Version: 2.4.1
    cpe:2.3:a:puma:puma:2.4.1
  • Puma » Puma » Version: 2.5.0
    cpe:2.3:a:puma:puma:2.5.0
  • Puma » Puma » Version: 2.5.1
    cpe:2.3:a:puma:puma:2.5.1
  • Puma » Puma » Version: 2.6.0
    cpe:2.3:a:puma:puma:2.6.0
  • Puma » Puma » Version: 2.7.0
    cpe:2.3:a:puma:puma:2.7.0
  • Puma » Puma » Version: 2.7.1
    cpe:2.3:a:puma:puma:2.7.1
  • Puma » Puma » Version: 2.8.0
    cpe:2.3:a:puma:puma:2.8.0
  • Puma » Puma » Version: 2.8.1
    cpe:2.3:a:puma:puma:2.8.1
  • Puma » Puma » Version: 2.8.2
    cpe:2.3:a:puma:puma:2.8.2
  • Puma » Puma » Version: 2.9.0
    cpe:2.3:a:puma:puma:2.9.0
  • Puma » Puma » Version: 2.9.1
    cpe:2.3:a:puma:puma:2.9.1
  • Puma » Puma » Version: 2.9.2
    cpe:2.3:a:puma:puma:2.9.2
  • Puma » Puma » Version: 3.0.0
    cpe:2.3:a:puma:puma:3.0.0
  • Puma » Puma » Version: 3.0.1
    cpe:2.3:a:puma:puma:3.0.1
  • Puma » Puma » Version: 3.0.2
    cpe:2.3:a:puma:puma:3.0.2
  • Puma » Puma » Version: 3.1.0
    cpe:2.3:a:puma:puma:3.1.0
  • Puma » Puma » Version: 3.1.1
    cpe:2.3:a:puma:puma:3.1.1
  • Puma » Puma » Version: 3.10.0
    cpe:2.3:a:puma:puma:3.10.0
  • Puma » Puma » Version: 3.11.0
    cpe:2.3:a:puma:puma:3.11.0
  • Puma » Puma » Version: 3.11.1
    cpe:2.3:a:puma:puma:3.11.1
  • Puma » Puma » Version: 3.11.2
    cpe:2.3:a:puma:puma:3.11.2
  • Puma » Puma » Version: 3.11.3
    cpe:2.3:a:puma:puma:3.11.3
  • Puma » Puma » Version: 3.11.4
    cpe:2.3:a:puma:puma:3.11.4
  • Puma » Puma » Version: 3.12.0
    cpe:2.3:a:puma:puma:3.12.0
  • Puma » Puma » Version: 3.12.1
    cpe:2.3:a:puma:puma:3.12.1
  • Puma » Puma » Version: 3.12.2
    cpe:2.3:a:puma:puma:3.12.2
  • Puma » Puma » Version: 3.12.3
    cpe:2.3:a:puma:puma:3.12.3
  • Puma » Puma » Version: 3.2.0
    cpe:2.3:a:puma:puma:3.2.0
  • Puma » Puma » Version: 3.3.0
    cpe:2.3:a:puma:puma:3.3.0
  • Puma » Puma » Version: 3.4.0
    cpe:2.3:a:puma:puma:3.4.0
  • Puma » Puma » Version: 3.5.0
    cpe:2.3:a:puma:puma:3.5.0
  • Puma » Puma » Version: 3.5.1
    cpe:2.3:a:puma:puma:3.5.1
  • Puma » Puma » Version: 3.5.2
    cpe:2.3:a:puma:puma:3.5.2
  • Puma » Puma » Version: 3.6.0
    cpe:2.3:a:puma:puma:3.6.0
  • Puma » Puma » Version: 3.6.1
    cpe:2.3:a:puma:puma:3.6.1
  • Puma » Puma » Version: 3.6.2
    cpe:2.3:a:puma:puma:3.6.2
  • Puma » Puma » Version: 3.7.0
    cpe:2.3:a:puma:puma:3.7.0
  • Puma » Puma » Version: 3.7.1
    cpe:2.3:a:puma:puma:3.7.1
  • Puma » Puma » Version: 3.8.0
    cpe:2.3:a:puma:puma:3.8.0
  • Puma » Puma » Version: 3.8.1
    cpe:2.3:a:puma:puma:3.8.1
  • Puma » Puma » Version: 3.8.2
    cpe:2.3:a:puma:puma:3.8.2
  • Puma » Puma » Version: 3.9.0
    cpe:2.3:a:puma:puma:3.9.0
  • Puma » Puma » Version: 3.9.1
    cpe:2.3:a:puma:puma:3.9.1
  • Puma » Puma » Version: 4.0.0
    cpe:2.3:a:puma:puma:4.0.0
  • Puma » Puma » Version: 4.0.1
    cpe:2.3:a:puma:puma:4.0.1
  • Puma » Puma » Version: 4.1.0
    cpe:2.3:a:puma:puma:4.1.0
  • Puma » Puma » Version: 4.1.1
    cpe:2.3:a:puma:puma:4.1.1
  • Puma » Puma » Version: 4.2.0
    cpe:2.3:a:puma:puma:4.2.0
  • Puma » Puma » Version: 4.2.1
    cpe:2.3:a:puma:puma:4.2.1
  • Puma » Puma » Version: 4.3.0
    cpe:2.3:a:puma:puma:4.3.0
  • Puma » Puma » Version: 4.3.1
    cpe:2.3:a:puma:puma:4.3.1
  • Puma » Puma » Version: 4.3.2
    cpe:2.3:a:puma:puma:4.3.2


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