VULNERABILITY INTELLIGENCE

CVE-2020-12692

CVSS score5.4 MEDIUM
EPSS probability0.70%
CISA KEVNot currently listed
Published2020-05-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-294

Primary references