CVE-2020-1741
A flaw was found in openshift-ansible. OpenShift Container Platform (OCP) 3.11 is too permissive...
A flaw was found in openshift-ansible. OpenShift Container Platform (OCP) 3.11 is too permissive in the way it specified CORS allowed origins during installation. An attacker, able to man-in-the-middle the connection between the user's browser and the openshift console, could use this flaw to perform a phishing attack. The main threat from this vulnerability is data confidentiality.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A flaw was found in openshift-ansible. OpenShift Container Platform (OCP) 3.11 is too permissive in the way it specified CORS allowed origins during installation. An attacker, able to man-in-the-middle the connection between the user's browser and the openshift console, could use this flaw to perform a phishing attack. The main threat from this vulnerability is data confidentiality.
- Record
CVE-2020-1741- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N - Weakness
- CWE-185
- Updated
- 2026-11-02
EUVDEUVD-2020-12578
A flaw was found in openshift-ansible. OpenShift Container Platform (OCP) 3.11 is too permissive in the way it specified CORS allowed origins during installation. An attacker, able to man-in-the-middle the connection between the user's browser and the openshift console, could use this flaw to perform a phishing attack. The main threat from this vulnerability is data confidentiality.
- Record
EUVD-2020-12578- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wqfw-39gh-42cj
A flaw was found in openshift-ansible. OpenShift Container Platform (OCP) 3.11 is too permissive...
A flaw was found in openshift-ansible. OpenShift Container Platform (OCP) 3.11 is too permissive in the way it specified CORS allowed origins during installation. An attacker, able to man-in-the-middle the connection between the user's browser and the openshift console, could use this flaw to perform a phishing attack. The main threat from this vulnerability is data confidentiality.
- Record
GHSA-wqfw-39gh-42cj- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N - Weakness
- CWE-185, CWE-697
- Updated
- 2026-11-02
NVD
A flaw was found in openshift-ansible. OpenShift Container Platform (OCP) 3.11 is too permissive in the way it specified CORS allowed origins during installation. An attacker, able to man-in-the-middle the connection between the user's browser and the openshift console, could use this flaw to perform a phishing attack. The main threat from this vulnerability is data confidentiality.
- Record
CVE-2020-1741- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:H/Au:N/C:P/I:P/A:N - Weakness
- CWE-185, CWE-697
- Updated
- 2026-11-02
OSVRHSA-2020:3541
Red Hat Security Advisory: OpenShift Container Platform 3.11 security update
- Record
RHSA-2020:3541- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
jenkins-2-pluginsRed Hat:openshift:3.11::el7 From an advisory covering 10 CVEs |
before 0:3.11.1597310986-1.el7 | 0:3.11.1597310986-1.el7 |
openshift-ansibleRed Hat:openshift:3.11::el7 From an advisory covering 10 CVEs |
before 0:3.11.272-1.git.0.79ab6e9.el7 | 0:3.11.272-1.git.0.79ab6e9.el7 |
openshift-ansible-docsRed Hat:openshift:3.11::el7 From an advisory covering 10 CVEs |
before 0:3.11.272-1.git.0.79ab6e9.el7 | 0:3.11.272-1.git.0.79ab6e9.el7 |
openshift-ansible-playbooksRed Hat:openshift:3.11::el7 From an advisory covering 10 CVEs |
before 0:3.11.272-1.git.0.79ab6e9.el7 | 0:3.11.272-1.git.0.79ab6e9.el7 |
openshift-ansible-rolesRed Hat:openshift:3.11::el7 From an advisory covering 10 CVEs |
before 0:3.11.272-1.git.0.79ab6e9.el7 | 0:3.11.272-1.git.0.79ab6e9.el7 |
openshift-ansible-testRed Hat:openshift:3.11::el7 From an advisory covering 10 CVEs |
before 0:3.11.272-1.git.0.79ab6e9.el7 | 0:3.11.272-1.git.0.79ab6e9.el7 |
jenkinsRed Hat:openshift:3.11::el7 From an advisory covering 10 CVEs |
before 0:2.235.2.1597220898-1.el7 | 0:2.235.2.1597220898-1.el7 |
python-rsaRed Hat:openshift:3.11::el7 From an advisory covering 10 CVEs |
before 0:4.5-2.el7 | 0:4.5-2.el7 |
python2-rsaRed Hat:openshift:3.11::el7 From an advisory covering 10 CVEs |
before 0:4.5-2.el7 | 0:4.5-2.el7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1741 is a medium vulnerability (CVSS 5.9) in Red Hat Openshift-ansible, published April 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.
References
bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1741
nvd.nist.gov/vuln/detail/CVE-2020-1741
access.redhat.com/errata/RHSA-2020:3541
github.com/advisories/GHSA-wqfw-39gh-42cj
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security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_3541.json
cve.org/CVERecord?id=CVE-2019-16541
jenkins.io/security/advisory/2019-11-21