Open Redirect in Aio-libs Aiohttp
CVE-2021-21330
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In aiohttp before version 3.7.4 there is an open redirect vulnerability. A maliciously crafted link to an aiohttp-based web-server could redirect the browser t…
Vulnerability class: Open Redirect
EPSS: 0.005 (66.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Aio-libs Aiohttp — versions < 3.7.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg (x_refsource_CONFIRM)
- github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b (x_refsource_MISC)
- github.com/aio-libs/aiohttp/blob/master/CHANGES.rst (x_refsource_MISC)
- pypi.org/project/aiohttp/ (x_refsource_MISC)
- DSA-4864 (vendor-advisory, x_refsource_DEBIAN)
- FEDORA-2021-673b10ed77 (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-902c1b07c9 (vendor-advisory, x_refsource_FEDORA)
- GLSA-202208-19 (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2021-21330?
- CVE-2021-21330 is a low-severity vulnerability in Aio-libs Aiohttp, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 3.1/10. Published 2021-02-26.
- How severe is CVE-2021-21330?
- Low severity. CVSS v3 base score is 3.1 out of 10.
- Is CVE-2021-21330 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.