CVE-2017-17974

Name: CVE-2017-17974
Creator: NVD / NIST
Published: 2017-12-29T21:29:00.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.66%

Last modified Jun 17, 2026

CVE-2017-17974 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.66% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.66%

73.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Basystems	Bas920 Firmware	01.01.00
Basystems	Isc2000 Firmware	01.01.00

References

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

Timeline

Published: Dec 29, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-17974?

How severe is CVE-2017-17974?

Severity scoring for CVE-2017-17974 is pending analysis. The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.

How do I fix CVE-2017-17974?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-17974?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST