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[email protected]CVE-2021-22960

HistoryNov 03, 2021 - 8:15 p.m.

CVE-2021-22960

2021-11-0320:15:08

CWE-444

[email protected]

web.nvd.nist.gov

177

cve

2021

22960

llhttp

http request smuggling

security vulnerability

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

7.2 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.7%

JSON

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.

Affected configurations

NVD

Node

llhttpllhttpRange<2.1.4node.js

llhttpllhttpRange3.0.0–6.0.6node.js

Node

oraclegraalvmMatch20.3.4enterprise

oraclegraalvmMatch21.3.0enterprise

Node

debiandebian_linuxMatch11.0

CPENameOperatorVersion
llhttp:llhttpllhttplt2.1.4
llhttp:llhttpllhttplt6.0.6

CPE	Name	Operator	Version
llhttp:llhttp	llhttp	lt	2.1.4
llhttp:llhttp	llhttp	lt	6.0.6

CNA Affected

[
  {
    "product": "https://github.com/nodejs/llhttp",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in v2.1.4 and v6.0.6"
      }
    ]
  }
]