User Impersonation Vulnerability in OpenStack Keystone by OpenStack
CVE-2020-12691

8.8HIGH

Key Information:

Vendor
Openstack
Status
Keystone
Vendor
CVE Published:
7 May 2020

Summary

A vulnerability in OpenStack Keystone allows any authenticated user to create their own EC2 credential for a project, provided they have a specified role. The issue arises when users can update credential details, enabling them to impersonate other users, including those with admin privileges. This could allow a malicious user to gain unauthorized access and perform actions at an administrative level, significantly compromising the security of the project.

References

https://security.openstack.org/ossa/OSSA-2020-004.html
x_refsource_CONFIRM
https://www.openwall.com/lists/oss-security/2020/05/06/5
x_refsource_MISC
https://bugs.launchpad.net/keystone/+bug/1872733
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.