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MitreCVE-2017-17974

HistoryDec 29, 2017 - 9:29 p.m.

CVE-2017-17974

2017-12-2921:29:00

mitre

web.nvd.nist.gov

cve-2017-17974

ba systems

isc2000

information security

remote attack

administrative access

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.1

Confidence

High

EPSS

0.015

Percentile

87.0%

JSON

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.

Affected configurations

Nvd

Node

basystemsbas920_firmwareMatch01.01.00

AND

basystemsbas920Match-

Node

basystemsisc2000_firmwareMatch01.01.00

AND

basystemsisc2000Match-

VendorProductVersionCPE
basystemsbas920_firmware01.01.00cpe:2.3:o:basystems:bas920_firmware:01.01.00:*:*:*:*:*:*:*
basystemsbas920-cpe:2.3:h:basystems:bas920:-:*:*:*:*:*:*:*
basystemsisc2000_firmware01.01.00cpe:2.3:o:basystems:isc2000_firmware:01.01.00:*:*:*:*:*:*:*
basystemsisc2000-cpe:2.3:h:basystems:isc2000:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
basystems	bas920_firmware	01.01.00	cpe:2.3:o:basystems:bas920_firmware:01.01.00:::::::*
basystems	bas920	-	cpe:2.3:h:basystems:bas920:-:::::::*
basystems	isc2000_firmware	01.01.00	cpe:2.3:o:basystems:isc2000_firmware:01.01.00:::::::*
basystems	isc2000	-	cpe:2.3:h:basystems:isc2000:-:::::::*

References

misteralfa-hack.blogspot.cl/2017/12/ba-system-improper-access-control.html

github.com/ezelf/baCK_system

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.1

Confidence

High

EPSS

0.015

Percentile

87.0%

JSON

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