Vulnerability in Llhttp

CVE-2022-32215

The llhttp parser <v14.20.1, <v16.17.1 and <v18.9.1 in the http module in Node.js does not correctly handle multi-line Transfer-Encoding headers. This can lead to HTTP Request Smuggling (HRS).

Vulnerability class: HTTP Request Smuggling

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.702 (99.4th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-32215: rose from 0.688 to 0.702.

EPSS over last 30 days · oldest: 0.688 · newest: 0.702 · change: +0.014

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-32215?
CVE-2022-32215 is a medium-severity vulnerability in Llhttp, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 6.5/10. Published 2022-07-14.
How severe is CVE-2022-32215?
Medium severity. CVSS v3 base score is 6.5 out of 10.