What is CVE-2023-47627?

CVE-2023-47627 is a medium-severity vulnerability in Aio-libs Aiohttp, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 5.3/10. Published 2023-11-14.

How severe is CVE-2023-47627?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2023-47627 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Aio-libs Aiohttp

CVE-2023-47627

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. The HTTP parser in AIOHTTP has numerous problems with header parsing, which could lead to request smuggling. This parser is only used when AIOHTTP_NO_EXTENSION…

Vulnerability class: HTTP Request Smuggling

EPSS: 0.002 (44.1th 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

Aio-libs Aiohttp — versions < 3.8.6

Weakness classification (CWE)

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

Public proof-of-concept exploits

w4zu/Debian_

References

Frequently asked questions

What is CVE-2023-47627?: CVE-2023-47627 is a medium-severity vulnerability in Aio-libs Aiohttp, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 5.3/10. Published 2023-11-14.
How severe is CVE-2023-47627?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-47627 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.