Authentication Bypass in ABB IDAL HTTP Server
CVE-2019-7226

8.8HIGH

Key Information:

Vendor

Abb

Status
Pb610 Panel Builder 600 Firmware
Vendor
CVE Published:
27 June 2019

What is CVE-2019-7226?

The ABB IDAL HTTP server's CGI interface has a critical flaw where an unauthenticated attacker can leverage the /cgi/loginDefaultUser URL to circumvent standard authentication. This issue allows malicious users to create a session as if they were an authenticated user, potentially revealing sensitive data such as usernames and cleartext passwords. With an acquired session ID and a corresponding IDALToken stored in a cookie, an attacker may perform unauthorized actions, like service restarts via the /cgi/restart endpoint. This vulnerability poses a significant risk as it enables attackers to exploit privileged functionalities without proper authentication.

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References

http://seclists.org/fulldisclosure/2019/Jun/39
mailing-listx_refsource_FULLDISC
http://packetstormsecurity.com/files/153402/ABB-IDAL-HTTP...
x_refsource_MISC
http://www.securityfocus.com/bid/108886
vdb-entryx_refsource_BID

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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