USN-4480-1: keystone Ubuntu

CVSS: UnknownPublished
Published 01-09-2020Last modified 27-04-2026
Open JSON

Vulnerability summary

USN-4480-1 is a vulnerability in keystone Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 4 · Downstream 0 · Related 4
CVE-2020-12689CVE-2020-12690CVE-2020-12691CVE-2020-12692

Timeline

  1. 01-09-2020
    PublishedVulnerability first disclosed.
  2. 27-04-2026
    Last modifiedVulnerability information updated.

Description

keystone vulnerabilities It was discovered that OpenStack Keystone incorrectly handled EC2 credentials. An authenticated attacker with a limited scope could possibly create EC2 credentials with escalated permissions. (CVE-2020-12689, CVE-2020-12691) It was discovered that OpenStack Keystone incorrectly handled the list of roles provided with OAuth1 access tokens. An authenticated user could possibly end up with more role assignments than intended. (CVE-2020-12690) It was discovered that OpenStack Keystone incorrectly handled EC2 signature TTL checks. A remote attacker could possibly use this issue to reuse Authorization headers. (CVE-2020-12692)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • keystone< 2:13.0.4-0ubuntu1

1 vendor · 1 product

References

5 links