CVE-2021-22959

medium

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 < v2.1.4 and < v6.0.6.

References

https://www.oracle.com/security-alerts/cpujan2022.html

https://www.debian.org/security/2022/dsa-5170

https://hackerone.com/reports/1238709

Details

Source: Mitre, NVD

Published: 2021-11-15

Updated: 2022-12-09

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N