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CVE-2012-0240

28
FAUCET Score

CVE-2012-0240 describes a critical authentication bypass vulnerability in Advantech/BroadWin WebAccess versions prior to 7.0, specifically within the GbScriptAddUp.asp component. This flaw allows unauthenticated remote attackers to execute arbitrary code, posing a severe risk to affected systems. With a CVSS score of 10.0, it represents a highly critical vulnerability due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity and FAUCET Risk Score of 82/100, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.0CPE matchmatch criteria
cpe:2.3:a:advantech:advantech_webaccess:*:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:advantech:advantech_webaccess:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.31%
Probability of exploitation in next 30 days
EPSS Percentile
90.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0431 is in the 83rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

securityfocus.com / bid/52051
us-cert.gov / control_systems/pdf/ICSA-12-047-01.pdf
PatchUS Government Resource