Is CVE-2020-12692 in the CISA KEV catalog?

No. CVE-2020-12692 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-12692?

CVE-2020-12692 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2020-12692?

CVE-2020-12692 has an EPSS score of 0.70% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-12692?

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-2020-12692

MEDIUM

5.4

CVSS v3

NVD

Description

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn't have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.

CWE-294 CWE-347

How to fix

Remediation Available

keystoneDebian

Fixed in:2:17.0.0~rc2-1CVE-2020-12692

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

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.70%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Vendor Advisory1

security.openstack.org

Third-Party Advisory4

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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.