CVE-2018-18074 json
Insufficiently Protected Credentials in Requests
published 2018-10-09 8 y ago modified 2026-06-17 4 mo ago also GHSA-x84v-xcm2-53pg , PYSEC-2018-28 , EUVD-2018-0131
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.9%
- EPSS 6.9% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
Summary
The Requests package before 2.20.0 for Python sends an HTTP Authorization header to an http URI upon receiving a same-hostname https-to-http redirect, which makes it easier for remote attackers to discover credentials by sniffing the network.
Patch / fix
- pypi requests 2.20.0
- python requests 2.20.0
- requests Debian 14, Debian 13, Debian 12 2.20.0-1
debian advisories DEBIAN-CVE-2018-18074
- requests Ubuntu 14.04 LTS 2.2.1-1ubuntu0.4
- requests Ubuntu 16.04 LTS 2.9.1-3ubuntu0.1
- requests Ubuntu 18.04 LTS 2.18.4-2ubuntu0.1
- python-pip Ubuntu 18.04 LTS 9.0.1-2.3~ubuntu1.18.04.2
ubuntu advisories UBUNTU-CVE-2018-18074
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- python-virtualenv RHEL 7 15.1.0-4.el7_8
- python-pip RHEL 7 9.0.3-7.el7_8
- python3-pip RHEL 7 9.0.3-7.el7_8
- python-pip RHEL 8 9.0.3-16.el8
- python3-pip RHEL 8 9.0.3-16.el8
- python3-pip-wheel RHEL 8 9.0.3-16.el8
- platform-python-pip RHEL 8 9.0.3-16.el8
- pytz RHEL 8 2017.2-12.module+el8.1.0+3111+de3f2d8e
red hat advisories RHSA-2020:2081RHSA-2020:2068RHSA-2020:1916RHSA-2020:1605RHSA-2020:0851RHSA-2020:0850
- python-requests SLES 12 SP3-BCL, SLES 12 SP2-BCL, SLE Module for Advanced Systems Management 12 +13 more 2.11.1-6.31.1
- python-requests SLES for SAP 15, SLES 15-LTSS, SLE High Performance Computing 15-LTSS +1 more 2.18.4-150000.3.3.1
- python3-requests SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +16 more 2.20.1-5.2
- python-certifi SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +17 more 2018.4.16-3.6.1
- python-chardet SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +17 more 3.0.4-5.6.1
- python-urllib3 SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +17 more 1.22-3.20.1
- python-boto3 SLE Module for Public Cloud 12 1.9.213-14.9.1
- python-PyYAML SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +18 more 5.1.2-26.9.4
suse advisories SUSE-SU-2022:1819-1SUSE-SU-2022:1448-1SUSE-SU-2020:1792-1SUSE-SU-2020:0555-1SUSE-SU-2019:2047-1SUSE-SU-2019:2027-1
- python-requests openSUSE Tumbleweed 2.34.2-1.2
- python-requests openSUSE Leap 15.1 2.20.1-lp151.2.3.1
- python-requests-test openSUSE Leap 15.1 2.20.1-lp151.2.3.1
opensuse advisories openSUSE-SU-2026:12038-1openSUSE-SU-2019:1754-1
- python2-py AlmaLinux 8 1.5.3-6.module_el8.6.0+2781+fed64c13
- python2-dns AlmaLinux 8 1.15.0-10.module_el8.6.0+2781+fed64c13
- python2-idna AlmaLinux 8 2.5-7.module_el8.6.0+2781+fed64c13
- python2-mock AlmaLinux 8 2.0.0-13.module_el8.6.0+2781+fed64c13
- python2-pytz AlmaLinux 8 2017.2-12.module_el8.6.0+2781+fed64c13
- python2-attrs AlmaLinux 8 17.4.0-10.module_el8.6.0+2781+fed64c13
- python2-Cython AlmaLinux 8 0.28.1-7.module_el8.6.0+2781+fed64c13
- python2-pluggy AlmaLinux 8 0.6.0-8.module_el8.6.0+2781+fed64c13
almalinux advisories ALSA-2020:1605ALBA-2019:3693
- pytz Rocky Linux 8 2017.2-12.module+el8.5.0+706+735ec4b3
- pytz Rocky Linux 8 2017.2-12.module+el8.4.0+403+9ae17a31
- babel Rocky Linux 8 2.5.1-9.module+el8.4.0+403+9ae17a31
- scipy Rocky Linux 8 1.0.0-20.module+el8.3.0+120+426d8baf
- Cython Rocky Linux 8 0.28.1-7.module+el8.5.0+706+735ec4b3
- Cython Rocky Linux 8 0.28.1-7.module+el8.4.0+403+9ae17a31
- pytest Rocky Linux 8 3.4.2-13.module+el8.5.0+706+735ec4b3
- pytest Rocky Linux 8 3.4.2-13.module+el8.4.0+403+9ae17a31
rocky linux advisories RLSA-2020:1605
- github.com/requests/requests@c45d7c4 commit
- github.com/requests/requests#4718 pull request
- bugs.debian.org/910766 advisory
- github.com/requests/requests/issues/4716 advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2018-18074 updated cvss 2.6
python-requests: Redirect from HTTPS to HTTP does not remove Authorization header
-
Red Hat Enterprise Linux 6 python-requestsaffected: no fix planned “Will not fix”
-
Red Hat Enterprise Linux 8 python-virtualenv, python2-virtualenv, python3-virtualenv Red Hat OpenShift Container Platform 3.9 python2-requestsaffected: no fix available
-
Red Hat OpenStack Platform 8 (Liberty) python-requests Red Hat OpenStack Platform 9 (Mitaka) python-requests Red Hat OpenStack Platform 10 (Newton) python-requestsaffected: no fix available “Fix deferred”
-
Red Hat OpenStack Platform 12 (Pike) python-requestsaffected: no fix available
-
Red Hat OpenStack Platform 13 (Queens) python2-requestsaffected: no fix available “Fix deferred”
-
Red Hat OpenStack Platform 14 (Rocky) python2-requestsaffected: no fix available
-
Red Hat Software Collections python27-python-pip, rh-python36-python-pip, python27-python-virtualenv, rh-mongodb36-python-requests, rh-python36-python-virtualenv Red Hat Storage 3 python-requests, python2-requestsaffected: no fix available “Fix deferred”
-
Red Hat Ansible Tower 3.5 for RHEL 7 Server ansible-tower-35/ansible-tower 3.5.6-1fixed: vendor fix RHBA-2020:1539
show 9 moreshow fewer
-
Red Hat Ansible Tower 3.6 for RHEL 7 ansible-tower-36/ansible-tower 3.6.4-1fixed: vendor fix RHBA-2020:1540
-
Red Hat Enterprise Linux AppStream (v. 8) python3-pip 9.0.3-16.el8, babel 2.5.1-9.module+el8.1.0+3111+de3f2d8e, pytz 2017.2-12.module+el8.1.0+3111+de3f2d8e, PyYAML 3.12-16.module+el8.1.0+3111+de3f2d8e, scipy 1.0.0-20.module+el8.1.0+3323+7ac3e00f, Cython 0.28.1-7.module+el8.1.0+3111+de3f2d8e, +85 morefixed: vendor fix RHSA-2020:1605
-
Red Hat Enterprise Linux BaseOS (v. 8) python-pip 9.0.3-16.el8, python3-pip-wheel 9.0.3-16.el8, platform-python-pip 9.0.3-16.el8fixed: vendor fix RHSA-2020:1916
-
Red Hat Enterprise Linux Client (v. 7) python-pip 9.0.3-7.el7_7, python-pip 9.0.3-7.el7_8, python3-pip 9.0.3-7.el7_7, python3-pip 9.0.3-7.el7_8, python-requests 2.6.0-5.el7fixed: vendor fix RHSA-2020:0850
-
Red Hat Enterprise Linux Client Optional (v. 7) python-virtualenv 15.1.0-4.el7_7, python-virtualenv 15.1.0-4.el7_8fixed: vendor fix RHSA-2020:0851
-
Red Hat Enterprise Linux ComputeNode (v. 7) python-pip 9.0.3-7.el7_7, python-pip 9.0.3-7.el7_8, python3-pip 9.0.3-7.el7_7, python3-pip 9.0.3-7.el7_8, python-requests 2.6.0-5.el7fixed: vendor fix RHSA-2020:0850
-
Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-virtualenv 15.1.0-4.el7_7, python-virtualenv 15.1.0-4.el7_8fixed: vendor fix RHSA-2020:0851
-
Red Hat Enterprise Linux Server (v. 7) python-pip 9.0.3-7.el7_7, python-pip 9.0.3-7.el7_8, python3-pip 9.0.3-7.el7_7, python3-pip 9.0.3-7.el7_8, python-requests 2.6.0-5.el7, python-virtualenv 15.1.0-4.el7_7, +1 more Red Hat Enterprise Linux Workstation (v. 7) python-pip 9.0.3-7.el7_7, python-pip 9.0.3-7.el7_8, python3-pip 9.0.3-7.el7_7, python3-pip 9.0.3-7.el7_8, python-requests 2.6.0-5.el7, python-virtualenv 15.1.0-4.el7_7, +1 morefixed: vendor fix RHSA-2020:0850
-
Red Hat Enterprise Linux 8 python-requests, python3-requestsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
6.93% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugs.debian.org https://bugs.debian.org/910766 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/requests/requests/issues/4716 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | requests | <2.20.0 |
2.20.0 |
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
github.com
/requests/requests/commit/c45d7c49ea75133e52ab22a8e9e13173938e36ff
web, patch, third-party-advisory
-
github.com
/requests/requests/pull/4718
web, patch, third-party-advisory
-
bugs.debian.org
/910766
web, exploit, issue-tracking, patch, third-party-advisory
-
github.com
/requests/requests/issues/4716
web, exploit, patch, third-party-advisory, report
-
usn.ubuntu.com
/3790-1/
vendor-advisory, third-party-advisory, web
-
usn.ubuntu.com
/3790-2/
vendor-advisory, third-party-advisory, web
-
lists.opensuse.org
/opensuse-security-announce/2019-07/msg00024.html
vendor-advisory, web, mailing-list, third-party-advisory
-
access.redhat.com
/errata/RHSA-2019:2035
vendor-advisory, web, third-party-advisory, advisory
-
oracle.com
/security-alerts/cpujul2022.html
web
-
docs.python-requests.org
/en/master/community/updates/#release-and-version-history
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-18074
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/requests/PYSEC-2018-28.yaml
web
-
github.com
/requests/requests
package
-
usn.ubuntu.com
/3790-1
web
-
usn.ubuntu.com
/3790-2
web
-
github.com
/advisories/GHSA-x84v-xcm2-53pg
advisory
Sources
- CVE List CVE-2018-18074
- GitHub Advisory GHSA-x84v-xcm2-53pg
- NVD CVE-2018-18074
- OSV PYSEC-2018-28
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.