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CVE-2017-17974

29
FAUCET Score

CVE-2017-17974 is a critical information disclosure vulnerability affecting BA SYSTEMS BAS Web on BAS920 and ISC2000 devices. Remote attackers can obtain sensitive credential information for the Supervisor/Administrator account by requesting specific ASPX pages, potentially leading to full administrative access. This vulnerability has a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the high FAUCET Risk Score of 79/100 indicates its potential severity.

Impacted Technologies

VendorProductVersion(s)CPE
01.01.00CPE matchmatch criteria
cpe:2.3:o:basystems:bas920_firmware:01.01.00:*:*:*:*:*:*:*
01.01.00CPE matchmatch criteria
cpe:2.3:o:basystems:isc2000_firmware:01.01.00:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.67%
Probability of exploitation in next 30 days
EPSS Percentile
74.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0167 is in the 62nd percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

misteralfa-hack.blogspot.cl / 2017/12/ba-system-improper-access-control.html
ExploitThird Party Advisory
github.com / ezelf/baCK_system
Third Party Advisory