Home/CVE/BA SYSTEMS BAS Web on BAS920 devices (with Firmware 01.01.00*, HTTPserv 00002, and Script 02.*) and ISC2000 devices allo
CVE

CVE-2017-17974

BA SYSTEMS BAS Web on BAS920 devices (with Firmware 01.01.00*, HTTPserv 00002, and Script 02.*) and ISC2000 devices allo

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.

CRITICAL · CVSS 9.8 EPSS 0.00458
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
basystems bas920 firmwareall versions
basystems isc2000 firmwareall versions
⚠

Public Exploits & PoCs

1
pocmisteralfa-hack.blogspot.cl · ba-system-improper-access-control.htmlmisteralfa-hack.blogspot.cl
◈

Detection Rules (IDS/IPS)

2
snort-communitySERVER-WEBAPP BA Systems BAS Web information disclosure attemptattempted-user
snort-communitySERVER-WEBAPP BA Systems BAS Web information disclosure attemptattempted-user
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Dec 2017 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ezelf/baCK_systemThird Party Advisory
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