Improper input validation in Aio-libs Aiohttp

CVE-2023-49082

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Improper validation makes it possible for an attacker to modify the HTTP request (e.g. insert a new header) or even create a new HTTP request if the attacker c…

Vulnerability class: CRLF Injection

EPSS: 0.002 (45.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-49082?
CVE-2023-49082 is a medium-severity vulnerability in Aio-libs Aiohttp, classified under CRLF Injection. CVSS score: 5.3/10. Published 2023-11-29.
How severe is CVE-2023-49082?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-49082 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.