openstack-keystone: OpenStack Keystone: Unauthorized access and privilege escalation via AWS signature validation flaw

A flaw was found in OpenStack Keystone. This vulnerability allows an attacker to obtain a valid OpenStack's Keystone token, leading to access to unauthorized resources or privilege escalation within the OpenStack instance via sending a valid AWS Amazon Web Services signature to the /v3/ec2tokens ...

CVE-2025-65073

OpenStack Keystone before 26.0.1, 27.0.0, and 28.0.0 allows a /v3/ec2tokens or /v3/s3tokens request with a valid AWS Signature to provide Keystone authorization...

EUVD-2020-0098

Malware in sbrugna...

GHSA-RQW2-HHRF-7936 OpenStack Keystone does not check signature TTL of the EC2 credential auth method

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...

Man-in-the-Middle (MitM)

openstack keystone is vulnerable to man-in-the-middle attack. Lack of signature TTL check to verify the timestamp in the AWS Signature V4 token signature allows an attacker to sniff an Authorization header in a man-in-the-middle attack and reuse the header to reissue openstack tokens...

CVE-2020-12692

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...