CVE-2018-20060
urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for
02 Description
urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.48% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.0% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-12-11 17:00Z7 YR AGO
- Last updated
- 2024-12-27 16:02Z1 YR AGO
- Reserved
- 2018-12-11
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-522Insufficiently Protected CredentialsClass
- Data version
- 5.1
- Document digest
- e730323e2b14bae92968cda97435e28f0a1c993e7c04f4f769a8aefc97412fdc
05 Affected products
06 References
- github.comhttps://github.com/urllib3/urllib3/issues/1316
- github.comhttps://github.com/urllib3/urllib3/pull/1346
- github.comhttps://github.com/urllib3/urllib3/blob/master/CHANGES.rst
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1649153
- lists.fedoraproject.orgFEDORA-2019-a6c56f9756https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5SJERZEJDSUYQP7BNBXMBHRHGY26HRZD/
- lists.fedoraproject.orgFEDORA-2019-6afaa38e7bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWP36YW3KSVLXDBY3QJKDYEPCIMN3VQZ/
- lists.fedoraproject.orgFEDORA-2019-8560719e80https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BXLAXHM3Z6DUCXZ7ZXZ2EAYJXWDCZFCT/
- usn.ubuntu.comUSN-3990-1https://usn.ubuntu.com/3990-1/
- access.redhat.comRHSA-2019:2272https://access.redhat.com/errata/RHSA-2019:2272
- lists.opensuse.orgopenSUSE-SU-2019:2131http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html
- lists.debian.org[debian-lts-announce] 20210615 [SECURITY] [DLA 2686-1] python-urllib3 security updatehttps://lists.debian.org/debian-lts-announce/2021/06/msg00015.html
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20241227-0010/
07 Fixed in
AlmaLinux 8
- python-psycopg2-doc Fixed in 2.7.5-7.module_el8.6.0+2781+fed64c13
- python2-Cython Fixed in 0.28.1-7.module_el8.6.0+2781+fed64c13
- python2-PyMySQL Fixed in 0.8.0-10.module_el8.6.0+2781+fed64c13
- python2-attrs Fixed in 17.4.0-10.module_el8.6.0+2781+fed64c13
- python2-chardet Fixed in 3.0.4-10.module_el8.6.0+2781+fed64c13
- python2-coverage Fixed in 4.5.1-4.module_el8.6.0+2781+fed64c13
- python2-dns Fixed in 1.15.0-10.module_el8.6.0+2781+fed64c13
- python2-docs Fixed in 2.7.16-2.module_el8.6.0+2781+fed64c13
- python2-docs-info Fixed in 2.7.16-2.module_el8.6.0+2781+fed64c13
- python2-docutils Fixed in 0.14-12.module_el8.6.0+2781+fed64c13
- python2-funcsigs Fixed in 1.0.2-13.module_el8.6.0+2781+fed64c13
- python2-idna Fixed in 2.5-7.module_el8.6.0+2781+fed64c13
- python2-ipaddress Fixed in 1.0.18-6.module_el8.6.0+2781+fed64c13
- python2-markupsafe Fixed in 0.23-19.module_el8.6.0+2781+fed64c13
- python2-mock Fixed in 2.0.0-13.module_el8.6.0+2781+fed64c13
- python2-pluggy Fixed in 0.6.0-8.module_el8.6.0+2781+fed64c13
- python2-psycopg2 Fixed in 2.7.5-7.module_el8.6.0+2781+fed64c13
- python2-psycopg2-debug Fixed in 2.7.5-7.module_el8.6.0+2781+fed64c13
- python2-psycopg2-tests Fixed in 2.7.5-7.module_el8.6.0+2781+fed64c13
- python2-py Fixed in 1.5.3-6.module_el8.6.0+2781+fed64c13
- python2-pysocks Fixed in 1.6.8-6.module_el8.6.0+2781+fed64c13
- python2-pytest Fixed in 3.4.2-13.module_el8.6.0+2781+fed64c13
- python2-pytest-mock Fixed in 1.9.0-4.module_el8.6.0+2781+fed64c13
- python2-pytz Fixed in 2017.2-12.module_el8.6.0+2781+fed64c13
- python2-pyyaml Fixed in 3.12-16.module_el8.6.0+2781+fed64c13
- python2-requests Fixed in 2.20.0-3.module_el8.6.0+2781+fed64c13
- python2-rpm-macros Fixed in 3-38.module_el8.6.0+2781+fed64c13
- python2-setuptools_scm Fixed in 1.15.7-6.module_el8.6.0+2781+fed64c13
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- python-psycopg2-doc Fixed in 2.7.5-7.module_el8.6.0+2781+fed64c13
- python2-Cython Fixed in 0.28.1-7.module_el8.6.0+2781+fed64c13
- python2-PyMySQL Fixed in 0.8.0-10.module_el8.6.0+2781+fed64c13
- python2-attrs Fixed in 17.4.0-10.module_el8.6.0+2781+fed64c13
- python2-chardet Fixed in 3.0.4-10.module_el8.6.0+2781+fed64c13
- python2-coverage Fixed in 4.5.1-4.module_el8.6.0+2781+fed64c13
- python2-dns Fixed in 1.15.0-10.module_el8.6.0+2781+fed64c13
- python2-docs Fixed in 2.7.16-2.module_el8.6.0+2781+fed64c13
- python2-docs-info Fixed in 2.7.16-2.module_el8.6.0+2781+fed64c13
- python2-docutils Fixed in 0.14-12.module_el8.6.0+2781+fed64c13
- python2-funcsigs Fixed in 1.0.2-13.module_el8.6.0+2781+fed64c13
- python2-idna Fixed in 2.5-7.module_el8.6.0+2781+fed64c13
- python2-ipaddress Fixed in 1.0.18-6.module_el8.6.0+2781+fed64c13
- python2-markupsafe Fixed in 0.23-19.module_el8.6.0+2781+fed64c13
- python2-mock Fixed in 2.0.0-13.module_el8.6.0+2781+fed64c13
- python2-pluggy Fixed in 0.6.0-8.module_el8.6.0+2781+fed64c13
- python2-psycopg2 Fixed in 2.7.5-7.module_el8.6.0+2781+fed64c13
- python2-psycopg2-debug Fixed in 2.7.5-7.module_el8.6.0+2781+fed64c13
- python2-psycopg2-tests Fixed in 2.7.5-7.module_el8.6.0+2781+fed64c13
- python2-py Fixed in 1.5.3-6.module_el8.6.0+2781+fed64c13
- python2-pysocks Fixed in 1.6.8-6.module_el8.6.0+2781+fed64c13
- python2-pytest Fixed in 3.4.2-13.module_el8.6.0+2781+fed64c13
- python2-pytest-mock Fixed in 1.9.0-4.module_el8.6.0+2781+fed64c13
- python2-pytz Fixed in 2017.2-12.module_el8.6.0+2781+fed64c13
- python2-pyyaml Fixed in 3.12-16.module_el8.6.0+2781+fed64c13
- python2-requests Fixed in 2.20.0-3.module_el8.6.0+2781+fed64c13
- python2-rpm-macros Fixed in 3-38.module_el8.6.0+2781+fed64c13
- python2-setuptools_scm Fixed in 1.15.7-6.module_el8.6.0+2781+fed64c13
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- python-urllib3 Fixed in 1.24-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- python-urllib3 Fixed in 1.24-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- python-urllib3 Fixed in 1.24-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- python-urllib3 Fixed in 1.13.1-2ubuntu0.16.04.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- python-urllib3 Fixed in 1.22-1ubuntu0.18.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- python-urllib3 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.