Is CVE-2020-12689 in the CISA KEV catalog?

No. CVE-2020-12689 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-12689?

CVE-2020-12689 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-12689?

CVE-2020-12689 has an EPSS score of 1.56% (72th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-12689?

Upgrade keystone on debian 11 to 2:17.0.0~rc2-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2020-12689

HIGHEPSS 72th pctl

8.8

CVSS v3

NVD

Description

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.

CWE-269Improper Privilege Management

How to fix

Remediation Available

keystoneDebian

Fixed in:2:17.0.0~rc2-1CVE-2020-12689

keystoneUbuntu

Fixed in:2:13.0.4-0ubuntu1USN-4480-1

python-keystoneUbuntu

Fixed in:2:13.0.4-0ubuntu1USN-4480-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.56%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Patch1

bugs.launchpad.net

Vendor Advisory1

security.openstack.org

Third-Party Advisory3

Other references1

lists.apache.org

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.