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CVE-2021-22959

Published: 15 November 2021

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 < v2.1.4 and < v6.0.6.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
nodejs
Launchpad, Ubuntu, Debian
hirsute Ignored
(end of life)
impish Ignored
(end of life)
upstream
Released (12.22.7~dfsg-1)
kinetic Ignored
(end of life, was needs-triage)
jammy Not vulnerable
(12.22.9~dfsg-1ubuntu3)
lunar Not vulnerable
(18.7.0+dfsg-5ubuntu1)
mantic Not vulnerable
(18.7.0+dfsg-5ubuntu1)
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N