In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an origin validation error vulnerability has been identified, which may allow an attacker can create a malicious web site, steal session cookies, and access data of authenticated users.
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Webaccess | Advantech | * | 8.2_20170817 (including) |
Such a scenario is commonly observed when: