Vulnerability in Asynchttpclient_project Async-http-client

CVE-2023-0040

Versions of Async HTTP Client prior to 1.13.2 are vulnerable to a form of targeted request manipulation called CRLF injection. This vulnerability was the result of insufficient validation of HTTP header field values before sending them to…

Vulnerability class: CRLF Injection

EPSS: 0.005 (42.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-0040?
CVE-2023-0040 is a high-severity vulnerability in Asynchttpclient_project Async-http-client, classified under CRLF Injection. CVSS score: 7.5/10. Published 2023-01-18.
How severe is CVE-2023-0040?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-0040 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.