Vulnerability Details : CVE-2020-12689
An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. Any user authenticated within a limited scope (trust/oauth/application credential) can create an EC2 credential with an escalated permission, such as obtaining admin while the user is on a limited viewer role. This potentially allows a malicious user to act as the admin on a project another user has the admin role on, which can effectively grant that user global admin privileges.
Products affected by CVE-2020-12689
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:keystone:16.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12689
0.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12689
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-12689
-
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12689
-
http://www.openwall.com/lists/oss-security/2020/05/07/2
oss-security - Re: [OSSA-2020-004] Keystone: Keystone credential endpoints allow owner modification and are not protected from a scoped context (CVE PENDING)Mailing List;Third Party Advisory
-
https://security.openstack.org/ossa/OSSA-2020-004.html
OpenStack Docs: OSSA-2020-004: Keystone credential endpoints allow owner modification and are not protected from a scoped contextVendor Advisory
-
https://usn.ubuntu.com/4480-1/
USN-4480-1: OpenStack Keystone vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
-
https://www.openwall.com/lists/oss-security/2020/05/06/5
oss-security - [OSSA-2020-004] Keystone: Keystone credential endpoints allow owner modification and are not protected from a scoped context (CVE PENDING)Mailing List;Third Party Advisory
-
https://bugs.launchpad.net/keystone/+bug/1872735
Bug #1872735 “EC2 and/or credential endpoints are not protected ...” : Bugs : OpenStack Identity (keystone)Patch;Third Party Advisory
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https://lists.apache.org/thread.html/re4ffc55cd2f1b55a26e07c83b3c22c3fe4bae6054d000a57fb48d8c2@%3Ccommits.druid.apache.org%3E
[GitHub] [druid] ccaominh opened a new pull request #9903: Suppress CVEs for openstack-keystone - Pony MailMailing List;Third Party Advisory
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