CVE-2022-35256

Advisory lineage Upstream: 0 Downstream: 26
Modified
Published: 05 Dec 2022, 00:00
Last modified:30 Apr 2025, 22:24

Vulnerability Summary

Overall Risk (default)
medium
37/100
CVSS Score
6.5 MEDIUM
v3.1 (cve.org)
EPSS Score
3.69% LOW
4% probability -0.89%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

05 Dec 2022, 00:00
Published
Vulnerability first disclosed
30 Apr 2025, 22:24
Last Modified
Vulnerability information updated

Description

The llhttp parser in the http module in Node v18.7.0 does not correctly handle header fields that are not terminated with CLRF. This may result in HTTP Request Smuggling.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS Trends

Current EPSS score: 3.69%• Percentile: 88%

Techniques & Countermeasures

  • CWE-444•Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

    The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

Affected Systems

  • debian•debian_linux

    11.0

  • llhttp•llhttp

    < 6.0.10

  • nodejs•node

    ≥ 4.0, < 4.* | ≥ 5.0, < 5.* | ≥ 6.0, < 6.* | ≥ 7.0, < 7.* | ≥ 8.0, < 8.* | ≥ 9.0, < 9.* | ≥ 10.0, < 10.* | ≥ 11.0, < 11.* | ≥ 12.0, < 12.* | ≥ 13.0, < 13.* | ≥ 14.0, < 14.20.1 | ≥ 15.0, < 15.* | ≥ 16.0, < 16.17.1 | ≥ 17.0, < 17.* | ≥ 18.0, < 18.9.1

  • nodejs•node.js

    ≥ 14.0.0, ≤ 14.14.0 | ≥ 14.15.0, < 14.20.1 | ≥ 16.0.0, ≤ 16.12.0 | ≥ 16.13.0, < 16.17.1 | ≥ 18.0.0, < 18.9.1

  • siemens•sinec_ins

    < 1.0 | 1.0 | 1.0:sp1 | 1.0:sp2

References (3)