CVE-2021-21330 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2021-21330 Interim 1 66 2026-03-05T05:26:55Z current 2021-05-30T14:48:07Z 2026-03-05T05:26:55Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z 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 to a different website. It is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware. This security problem has been fixed in 3.7.4. Upgrade your dependency using pip as follows "pip install aiohttp >= 3.7.4". If upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://lists.suse.com/pipermail/sle-updates/2022-September/025160.html E-Mail link for SUSE-RU-2022:3275-1 https://lists.suse.com/pipermail/sle-security-updates/2021-April/008677.html E-Mail link for SUSE-SU-2021:1313-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings Image SLES15-SP3-BYOS-Azure Image SLES15-SP3-HPC-BYOS-Azure Image SLES15-SP3-Manager-4-2-Proxy-BYOS-Azure Image SLES15-SP3-Manager-4-2-Server-BYOS-Azure Image SLES15-SP3-SAP-BYOS-Azure Image SLES15-SP3-SAPCAL-Azure SUSE Linux Enterprise Module for Public Cloud 15 SP1 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Python 3 15 SP6 SUSE Linux Enterprise Module for Public Cloud 15 SP1 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise Module for Server Applications 15 SP4 SUSE Linux Enterprise Module for Public Cloud 15 SP5 SUSE Linux Enterprise Module for Server Applications 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP6 SUSE Linux Enterprise Module for Python 3 15 SP6 SUSE Linux Enterprise Module for Server Applications 15 SP6 SUSE Linux Enterprise Module for Public Cloud 15 SP7 SUSE Linux Enterprise Module for Server Applications 15 SP7 SUSE Linux Enterprise Module for Public Cloud 15 SP1 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise Module for Server Applications 15 SP4 SUSE Linux Enterprise Server 15 SP4-TERADATA SUSE Linux Enterprise Module for Public Cloud 15 SP5 SUSE Linux Enterprise Module for Server Applications 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP6 SUSE Linux Enterprise Module for Python 3 15 SP6 SUSE Linux Enterprise Module for Server Applications 15 SP6 SUSE Linux Enterprise Module for Public Cloud 15 SP7 SUSE Linux Enterprise Module for Server Applications 15 SP7 SUSE Linux Enterprise Server 16.0 SUSE Linux Enterprise Module for Public Cloud 15 SP1 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise Module for Server Applications 15 SP4 SUSE Linux Enterprise Module for Public Cloud 15 SP5 SUSE Linux Enterprise Module for Server Applications 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP6 SUSE Linux Enterprise Module for Python 3 15 SP6 SUSE Linux Enterprise Module for Server Applications 15 SP6 SUSE Linux Enterprise Module for Public Cloud 15 SP7 SUSE Linux Enterprise Module for Server Applications 15 SP7 SUSE Linux Enterprise Module for Public Cloud 15 SP1 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise Module for Server Applications 15 SP4 SUSE Linux Enterprise Module for Public Cloud 15 SP1 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise Module for Server Applications 15 SP4 SUSE Linux Enterprise Module for Public Cloud 15 SP1 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise Module for Server Applications 15 SP4 openSUSE Leap 15.3 openSUSE Leap 15.4 openSUSE Tumbleweed python-aiohttp-doc-3.6.0-150100.3.9.1 python3-aiohttp-3.4.4-3.6.1 python3-aiohttp-3.6.0-150100.3.9.1 python3-typing_extensions-3.10.0.0-150100.3.3.1 python3-typing_extensions-3.10.0.0-150400.3.2.1 python310-aiohttp-3.8.5-2.1 python311-aiohttp-3.8.5-2.1 python311-aiohttp-3.9.3-150400.10.14.1 python313-aiohttp-3.11.16-160000.2.2 python39-aiohttp-3.8.5-2.1 python3-aiohttp-3.6.0-150100.3.9.1 as a component of Image SLES15-SP3-BYOS-Azure python3-typing_extensions-3.10.0.0-150100.3.3.1 as a component of Image SLES15-SP3-BYOS-Azure python3-aiohttp-3.6.0-150100.3.9.1 as a component of Image SLES15-SP3-HPC-BYOS-Azure python3-typing_extensions-3.10.0.0-150100.3.3.1 as a component of Image SLES15-SP3-HPC-BYOS-Azure python3-typing_extensions-3.10.0.0-150100.3.3.1 as a component of Image SLES15-SP3-Manager-4-2-Proxy-BYOS-Azure python3-typing_extensions-3.10.0.0-150100.3.3.1 as a component of Image SLES15-SP3-Manager-4-2-Server-BYOS-Azure python3-aiohttp-3.6.0-150100.3.9.1 as a component of Image SLES15-SP3-SAP-BYOS-Azure python3-typing_extensions-3.10.0.0-150100.3.3.1 as a component of Image SLES15-SP3-SAP-BYOS-Azure python3-aiohttp-3.6.0-150100.3.9.1 as a component of Image SLES15-SP3-SAPCAL-Azure python3-typing_extensions-3.10.0.0-150100.3.3.1 as a component of Image SLES15-SP3-SAPCAL-Azure python-aiohttp-doc-3.6.0-150100.3.9.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP1 python3-aiohttp-3.6.0-150100.3.9.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP1 python3-typing_extensions-3.10.0.0-150100.3.3.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP1 python-aiohttp-doc-3.6.0-150100.3.9.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP2 python3-aiohttp-3.6.0-150100.3.9.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP2 python3-typing_extensions-3.10.0.0-150100.3.3.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP2 python3-aiohttp-3.4.4-3.6.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP3 python3-typing_extensions-3.10.0.0-150100.3.3.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP3 python3-aiohttp-3.4.4-3.6.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP4 python3-aiohttp-3.6.0-150100.3.9.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP5 python3-aiohttp-3.6.0-150100.3.9.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP6 python3-aiohttp-3.6.0-150100.3.9.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP7 python311-aiohttp-3.9.3-150400.10.14.1 as a component of SUSE Linux Enterprise Module for Python 3 15 SP6 python3-typing_extensions-3.10.0.0-150400.3.2.1 as a component of SUSE Linux Enterprise Module for Server Applications 15 SP4 python3-typing_extensions-3.10.0.0-150400.3.2.1 as a component of SUSE Linux Enterprise Module for Server Applications 15 SP5 python3-typing_extensions-3.10.0.0-150400.3.2.1 as a component of SUSE Linux Enterprise Module for Server Applications 15 SP6 python3-typing_extensions-3.10.0.0-150400.3.2.1 as a component of SUSE Linux Enterprise Module for Server Applications 15 SP7 python3-aiohttp-3.6.0-150100.3.9.1 as a component of SUSE Linux Enterprise Server 15 SP4-TERADATA python3-typing_extensions-3.10.0.0-150400.3.2.1 as a component of SUSE Linux Enterprise Server 15 SP4-TERADATA python313-aiohttp-3.11.16-160000.2.2 as a component of SUSE Linux Enterprise Server 16.0 python-aiohttp-doc-3.6.0-150100.3.9.1 as a component of openSUSE Leap 15.3 python3-aiohttp-3.6.0-150100.3.9.1 as a component of openSUSE Leap 15.3 python-aiohttp-doc-3.6.0-150100.3.9.1 as a component of openSUSE Leap 15.4 python3-aiohttp-3.6.0-150100.3.9.1 as a component of openSUSE Leap 15.4 python3-typing_extensions-3.10.0.0-150400.3.2.1 as a component of openSUSE Leap 15.4 python310-aiohttp-3.8.5-2.1 as a component of openSUSE Tumbleweed python311-aiohttp-3.8.5-2.1 as a component of openSUSE Tumbleweed python39-aiohttp-3.8.5-2.1 as a component of openSUSE Tumbleweed 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 to a different website. It is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware. This security problem has been fixed in 3.7.4. Upgrade your dependency using pip as follows "pip install aiohttp >= 3.7.4". If upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications. CVE-2021-21330 Image SLES15-SP3-BYOS-Azure:python3-aiohttp-3.6.0-150100.3.9.1 Image SLES15-SP3-BYOS-Azure:python3-typing_extensions-3.10.0.0-150100.3.3.1 Image SLES15-SP3-HPC-BYOS-Azure:python3-aiohttp-3.6.0-150100.3.9.1 Image SLES15-SP3-HPC-BYOS-Azure:python3-typing_extensions-3.10.0.0-150100.3.3.1 Image SLES15-SP3-Manager-4-2-Proxy-BYOS-Azure:python3-typing_extensions-3.10.0.0-150100.3.3.1 Image SLES15-SP3-Manager-4-2-Server-BYOS-Azure:python3-typing_extensions-3.10.0.0-150100.3.3.1 Image SLES15-SP3-SAP-BYOS-Azure:python3-aiohttp-3.6.0-150100.3.9.1 Image SLES15-SP3-SAP-BYOS-Azure:python3-typing_extensions-3.10.0.0-150100.3.3.1 Image SLES15-SP3-SAPCAL-Azure:python3-aiohttp-3.6.0-150100.3.9.1 Image SLES15-SP3-SAPCAL-Azure:python3-typing_extensions-3.10.0.0-150100.3.3.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP3:python-aiohttp-doc-3.4.4-3.6.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP4:python-aiohttp-doc-3.4.4-3.6.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP5:python-aiohttp-doc-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP5:python2-typing_extensions-3.10.0.0-150100.3.3.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP6:python-aiohttp-doc-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP6:python2-typing_extensions-3.10.0.0-150100.3.3.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP7:python-aiohttp-doc-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP7:python2-typing_extensions-3.10.0.0-150100.3.3.1 SUSE Linux Enterprise Module for Public Cloud 15 SP1:python-aiohttp-doc-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Public Cloud 15 SP1:python3-aiohttp-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Public Cloud 15 SP1:python3-typing_extensions-3.10.0.0-150100.3.3.1 SUSE Linux Enterprise Module for Public Cloud 15 SP2:python-aiohttp-doc-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Public Cloud 15 SP2:python3-aiohttp-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Public Cloud 15 SP2:python3-typing_extensions-3.10.0.0-150100.3.3.1 SUSE Linux Enterprise Module for Public Cloud 15 SP3:python3-aiohttp-3.4.4-3.6.1 SUSE Linux Enterprise Module for Public Cloud 15 SP3:python3-typing_extensions-3.10.0.0-150100.3.3.1 SUSE Linux Enterprise Module for Public Cloud 15 SP4:python3-aiohttp-3.4.4-3.6.1 SUSE Linux Enterprise Module for Public Cloud 15 SP5:python3-aiohttp-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Public Cloud 15 SP6:python3-aiohttp-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Public Cloud 15 SP7:python3-aiohttp-3.6.0-150100.3.9.1 SUSE Linux Enterprise Module for Python 3 15 SP6:python311-aiohttp-3.9.3-150400.10.14.1 SUSE Linux Enterprise Module for Server Applications 15 SP4:python3-typing_extensions-3.10.0.0-150400.3.2.1 SUSE Linux Enterprise Module for Server Applications 15 SP5:python3-typing_extensions-3.10.0.0-150400.3.2.1 SUSE Linux Enterprise Module for Server Applications 15 SP6:python3-typing_extensions-3.10.0.0-150400.3.2.1 SUSE Linux Enterprise Module for Server Applications 15 SP7:python3-typing_extensions-3.10.0.0-150400.3.2.1 SUSE Linux Enterprise Server 15 SP4-TERADATA:python3-aiohttp-3.6.0-150100.3.9.1 SUSE Linux Enterprise Server 15 SP4-TERADATA:python3-typing_extensions-3.10.0.0-150400.3.2.1 SUSE Linux Enterprise Server 16.0:python313-aiohttp-3.11.16-160000.2.2 openSUSE Leap 15.3:python-aiohttp-doc-3.6.0-150100.3.9.1 openSUSE Leap 15.3:python3-aiohttp-3.6.0-150100.3.9.1 openSUSE Leap 15.4:python-aiohttp-doc-3.6.0-150100.3.9.1 openSUSE Leap 15.4:python3-aiohttp-3.6.0-150100.3.9.1 openSUSE Leap 15.4:python3-typing_extensions-3.10.0.0-150400.3.2.1 openSUSE Tumbleweed:python310-aiohttp-3.8.5-2.1 openSUSE Tumbleweed:python311-aiohttp-3.8.5-2.1 openSUSE Tumbleweed:python39-aiohttp-3.8.5-2.1 important 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N