CVE-2021-22959

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

15/11/2021

Last modified:

09/12/2022

Description

The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

6.50

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0

6.40

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:llhttp:llhttp::::::node.js::*		2.1.4 (excluding)
cpe:2.3:a:llhttp:llhttp::::::node.js::*	3.0.0 (including)	6.0.6 (excluding)
cpe:2.3:a:oracle:graalvm:20.3.4::::enterprise:::
cpe:2.3:a:oracle:graalvm:21.3.0::::enterprise:::
cpe:2.3:o:debian:debian_linux:11.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-22959

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools