Vulnerability Monitor

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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.

Published

2021-11-03T20:15:08.247

Last Modified

2024-11-21T05:51:01.460

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

4.9

Weaknesses
  • Type: Secondary
    CWE-444
  • Type: Primary
    CWE-444
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application llhttp llhttp < 2.1.4 Yes
Application llhttp llhttp < 6.0.6 Yes
Application oracle graalvm 20.3.4 Yes
Application oracle graalvm 21.3.0 Yes
Operating System debian debian_linux 11.0 Yes
References