CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
AI Score
Confidence
Low
EPSS
Percentile
57.0%
The OpenID 5.x-1.0 and earlier module for Drupal does not properly verify the claimed_id returned by an OpenID provider, which allows remote OpenID providers to spoof OpenID authentication for domains associated with other providers.