CVE-2017-17974 — CRITICAL (9.8)

Vulnerability Description

BA SYSTEMS BAS Web on BAS920 devices (with Firmware 01.01.00*, HTTPserv 00002, and Script 02.*) and ISC2000 devices allows remote attackers to obtain sensitive information via a request for isc/get_sid_js.aspx or isc/get_sid.aspx, as demonstrated by obtaining administrative access by subsequently using the credential information for the Supervisor/Administrator account.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Basystems	Bas920 Firmware	01.01.00
Basystems	Bas920	-
Basystems	Isc2000 Firmware	01.01.00
Basystems	Isc2000	-

References

http://misteralfa-hack.blogspot.cl/2017/12/ba-system-improper-access-control.htmExploitThird Party Advisory
https://github.com/ezelf/baCK_systemThird Party Advisory
http://misteralfa-hack.blogspot.cl/2017/12/ba-system-improper-access-control.htmExploitThird Party Advisory
https://github.com/ezelf/baCK_systemThird Party Advisory

FAQ

What is CVE-2017-17974?

CVE-2017-17974 is a vulnerability with a CVSS score of 9.8 (CRITICAL). BA SYSTEMS BAS Web on BAS920 devices (with Firmware 01.01.00*, HTTPserv 00002, and Script 02.*) and ISC2000 devices allows remote attackers to obtain sensitive information via a request for isc/get_si...

How severe is CVE-2017-17974?

CVE-2017-17974 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-17974?

Check the references section above for vendor advisories and patch information. Affected products include: Basystems Bas920 Firmware, Basystems Bas920, Basystems Isc2000 Firmware, Basystems Isc2000.