Vulnerability in Basystems Bas920
CVE-2017-17974
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: -0.000
Affected products
- Basystems Bas920
- Basystems Bas920 Firmware — versions 01.01.00
- Basystems Isc2000
- Basystems Isc2000 Firmware — versions 01.01.00
Public proof-of-concept exploits
References
- misteralfa-hack.blogspot.cl/2017/12/ba-system-improper-access-control.html (Exploit, Third Party Advisory)
- github.com/ezelf/baCK_system (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-17974?
- CVE-2017-17974 is a critical-severity vulnerability in Basystems Bas920. CVSS score: 9.8/10. Published 2017-12-29.
- How severe is CVE-2017-17974?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-17974 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.