Select your cookie preferences

We use cookies and similar tools to enhance your experience, provide our services, deliver relevant advertising, and make improvements. Approved third parties also use these tools to help us deliver advertising and provide certain site features.

CVE-2021-22960

Public on 2021-11-03
Modified on 2023-01-18
Description

An HTTP Request Smuggling (HRS) vulnerability was found in the llhttp library, used by Node.JS. During the parsing of chunked messages, the chunk size parameter was not validated properly. In situations where HTTP conversations are being proxied (such as proxy, reverse-proxy, load-balancer), an attacker can use this flaw to inject arbitrary messages through the proxy. The highest threat from this vulnerability is to confidentiality and integrity.

Severity
Low
See what this means
CVSS v3 Base Score
6.1
See breakdown
Continue reading

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2023 nodejs 2023-02-17 20:47 ALAS2023-2023-084

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD CVSSv2 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N
NVD CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N