CVE-2022-35256

moderate-risk
Published 2022-12-05

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.

Do I need to act?

~
3.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (8)

Affected Vendors

Debian Siemens Nodejs Llhttp

References (6)

Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf
Exploit https://hackerone.com/reports/1675191
Third Party Advisory https://www.debian.org/security/2023/dsa-5326
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf
Exploit https://hackerone.com/reports/1675191
Third Party Advisory https://www.debian.org/security/2023/dsa-5326
45
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 7/34 · Low
Exposure 14/34 · Moderate