Vulnerability Details CVE-2021-22960
The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.4%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 5.8
Products affected by CVE-2021-22960
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cpe:2.3:a:llhttp:llhttp:-
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cpe:2.3:a:llhttp:llhttp:1.0.1
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cpe:2.3:a:llhttp:llhttp:1.1.0
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cpe:2.3:a:llhttp:llhttp:1.1.1
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cpe:2.3:a:llhttp:llhttp:1.1.2
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cpe:2.3:a:llhttp:llhttp:1.1.3
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cpe:2.3:a:llhttp:llhttp:1.1.4
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cpe:2.3:a:llhttp:llhttp:2.0.0
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cpe:2.3:a:llhttp:llhttp:2.0.1
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cpe:2.3:a:llhttp:llhttp:2.0.2
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cpe:2.3:a:llhttp:llhttp:2.0.3
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cpe:2.3:a:llhttp:llhttp:2.0.4
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cpe:2.3:a:llhttp:llhttp:2.0.5
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cpe:2.3:a:llhttp:llhttp:2.1.0
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cpe:2.3:a:llhttp:llhttp:2.1.1
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cpe:2.3:a:llhttp:llhttp:2.1.3
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cpe:2.3:a:llhttp:llhttp:3.0.0
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cpe:2.3:a:llhttp:llhttp:3.0.1
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cpe:2.3:a:llhttp:llhttp:4.0.0
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cpe:2.3:a:llhttp:llhttp:4.1.0
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cpe:2.3:a:llhttp:llhttp:4.1.1
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cpe:2.3:a:llhttp:llhttp:5.0.0
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cpe:2.3:a:llhttp:llhttp:5.1.0
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cpe:2.3:a:llhttp:llhttp:6.0.0
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cpe:2.3:a:llhttp:llhttp:6.0.1
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cpe:2.3:a:llhttp:llhttp:6.0.2
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cpe:2.3:a:llhttp:llhttp:6.0.3
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cpe:2.3:a:llhttp:llhttp:6.0.4
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cpe:2.3:a:llhttp:llhttp:6.0.5
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cpe:2.3:a:oracle:graalvm:20.3.4
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cpe:2.3:a:oracle:graalvm:21.3.0
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cpe:2.3:o:debian:debian_linux:11.0