Vulnerability in Llhttp
CVE-2022-32213
The llhttp parser <v14.20.1, <v16.17.1 and <v18.9.1 in the http module in Node.js does not correctly parse and validate Transfer-Encoding headers and 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: 0.448 (98.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.460 · newest: 0.448 · change: -0.011
Affected products
- Llhttp
- Node.js Node — versions 4.0, 5.0, 6.0
- Node.js
- Siemens Sinec Ins — versions 1.0
- Stormshield Management Center
- Debian Linux — versions 11.0
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
References
- nodejs.org/en/blog/vulnerability/july-2022-security-releases/ (Patch, Vendor Advisory)
- hackerone.com/reports/1524555 (Exploit, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf (Patch, Third Party Advisory)
- www.debian.org/security/2023/dsa-5326 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-32213?
- CVE-2022-32213 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-2022-32213?
- Medium severity. CVSS v3 base score is 6.5 out of 10.