CVE-2019-3866
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log...
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log files containing clear-text information were made world readable. A malicious system user could exploit this flaw to access sensitive user information.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.9
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log files containing clear-text information were made world readable. A malicious system user could exploit this flaw to access sensitive user information.
- Record
CVE-2019-3866- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-732
- Updated
- 2026-11-02
EUVDEUVD-2019-13480
5.9
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log files containing clear-text information were made world readable. A malicious system user could exploit this flaw to access sensitive user information.
- Record
EUVD-2019-13480- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-237x-6c63-mfj6 No score
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log...
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log files containing clear-text information were made world readable. A malicious system user could exploit this flaw to access sensitive user information.
- Record
GHSA-237x-6c63-mfj6- Weakness
- CWE-732
- Updated
- 2026-11-02
NVD
5.5
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log files containing clear-text information were made world readable. A malicious system user could exploit this flaw to access sensitive user information.
- Record
CVE-2019-3866- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-732
- Updated
- 2026-11-02
OSV
5.5
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log files containing clear-text information were made world readable. A malicious system user could exploit this flaw to access sensitive user information.
- Record
CVE-2019-3866- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-3866
5.5
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log files containing clear-text information were made world readable. A malicious system user could exploit this flaw to access sensitive user information.
- Record
DEBIAN-CVE-2019-3866- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVRHEA-2020:0283
8.1
Red Hat Enhancement Advisory: Red Hat OpenStack Platform 16.0 GA
- Record
RHEA-2020:0283- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-3866
5.5
An information-exposure vulnerability was discovered where openstack-mistral's undercloud log files containing clear-text information were made world readable. A malicious system user could exploit this flaw to access sensitive user information.
- Record
UBUNTU-CVE-2019-3866- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
OSVUSN-7465-1 No score
mistral, python-mistral-lib vulnerabilities
It was discovered that Mistral incorrectly handled nested anchors in YAML files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-16848)
Pierre Gaxatte discovered that Mistral incorrectly handled erroneous SSH private key filename commands. An attacker could possibly use this issue to expose sensitive information. (CVE-2018-16849)
It was discovered that Mistral incorrectly handled the permissions of sensitive log files. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-3866)
- Record
USN-7465-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mistralDebian:12 |
before 5.1.0-2 | 5.1.0-2 |
mistralDebian:13 |
before 5.1.0-2 | 5.1.0-2 |
mistralDebian:14 |
before 5.1.0-2 | 5.1.0-2 |
python-mistral-libDebian:12 |
before 1.2.0-3 | 1.2.0-3 |
python-mistral-libDebian:13 |
before 1.2.0-3 | 1.2.0-3 |
python-mistral-libDebian:14 |
before 1.2.0-3 | 1.2.0-3 |
python-oslo.utilsDebian:12 |
before 3.41.3-1 | 3.41.3-1 |
python-oslo.utilsDebian:13 |
before 3.41.3-1 | 3.41.3-1 |
python-oslo.utilsDebian:14 |
before 3.41.3-1 | 3.41.3-1 |
openstack-mistralRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 0:9.0.2-0.20191125120837.6651519.el8ost | 0:9.0.2-0.20191125120837.6651519.el8ost |
Show 14 moreShow less
| Package | Affected | Fixed |
|---|---|---|
openstack-mistral-allRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 0:9.0.2-0.20191125120837.6651519.el8ost | 0:9.0.2-0.20191125120837.6651519.el8ost |
openstack-mistral-apiRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 0:9.0.2-0.20191125120837.6651519.el8ost | 0:9.0.2-0.20191125120837.6651519.el8ost |
openstack-mistral-commonRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 0:9.0.2-0.20191125120837.6651519.el8ost | 0:9.0.2-0.20191125120837.6651519.el8ost |
openstack-mistral-engineRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 0:9.0.2-0.20191125120837.6651519.el8ost | 0:9.0.2-0.20191125120837.6651519.el8ost |
openstack-mistral-event-engineRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 0:9.0.2-0.20191125120837.6651519.el8ost | 0:9.0.2-0.20191125120837.6651519.el8ost |
openstack-mistral-executorRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 0:9.0.2-0.20191125120837.6651519.el8ost | 0:9.0.2-0.20191125120837.6651519.el8ost |
openstack-mistral-notifierRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 0:9.0.2-0.20191125120837.6651519.el8ost | 0:9.0.2-0.20191125120837.6651519.el8ost |
python3-mistralRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 0:9.0.2-0.20191125120837.6651519.el8ost | 0:9.0.2-0.20191125120837.6651519.el8ost |
openstack-keystoneRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 1:16.0.1-0.20191210095025.bd3f637.el8ost | 1:16.0.1-0.20191210095025.bd3f637.el8ost |
python3-keystoneRed Hat:openstack:16::el8 From an advisory covering 2 CVEs |
before 1:16.0.1-0.20191210095025.bd3f637.el8ost | 1:16.0.1-0.20191210095025.bd3f637.el8ost |
python-mistral-libUbuntu:Pro:18.04:LTS |
before 0.4.0-0ubuntu1+esm1, plus listed versions 0.2.0-0ubuntu20.3.2-0ubuntu10.3.3-0ubuntu10.4.0-0ubuntu1 |
0.4.0-0ubuntu1+esm1 |
mistralUbuntu:Pro:16.04:LTS From an advisory covering 3 CVEs |
before 2.0.0-1ubuntu2+esm1, plus listed versions 1.0.0-11.0.0-42.0.0~b3-32.0.0~rc1-12.0.0~rc2-12.0.0-12.0.0-1ubuntu2 |
2.0.0-1ubuntu2+esm1 |
mistralUbuntu:Pro:18.04:LTS From an advisory covering 3 CVEs |
before 6.0.0-0ubuntu1.1+esm1, plus listed versions 5.0.0-0ubuntu16.0.0~b1-0ubuntu16.0.0~b1-0ubuntu26.0.0~b2-0ubuntu16.0.0~rc1-0ubuntu16.0.0-0ubuntu16.0.0-0ubuntu1.1 |
6.0.0-0ubuntu1.1+esm1 |
python-mistral-libUbuntu:Pro:18.04:LTS From an advisory covering 3 CVEs |
before 0.4.0-0ubuntu1+esm1, plus listed versions 0.2.0-0ubuntu20.3.2-0ubuntu10.3.3-0ubuntu10.4.0-0ubuntu1 |
0.4.0-0ubuntu1+esm1 |
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-2019-3866 is a medium vulnerability (CVSS 5.9) in [unknown] Openstack-mistral, published November 8, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in mistral 5.1.0-2.
References
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3866
nvd.nist.gov/vuln/detail/CVE-2019-3866
github.com/advisories/GHSA-237x-6c63-mfj6
security-tracker.debian.org/tracker/CVE-2019-3866
access.redhat.com/errata/RHEA-2020:0283
access.redhat.com/documentation/en-us/red_hat_openstack_platform/16.0/html/release_notes/chap-technical_notes
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access.redhat.com/security/cve/CVE-2019-3866
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nvd.nist.gov/vuln/detail/CVE-2019-19687
seclists.org/oss-sec/2019/q4/152
security.openstack.org/ossa/OSSA-2019-006.html
ubuntu.com/security/CVE-2019-3866
ubuntu.com/security/notices/USN-7465-1
ubuntu.com/security/CVE-2018-16848
ubuntu.com/security/CVE-2018-16849