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CVE-2009-3734

15
FAUCET Score

CVE-2009-3734 describes an unspecified vulnerability in the management console of the S2 Security Linear eMerge Access Control System 2.5.x. This flaw allows unauthenticated remote attackers to trigger a denial of service by sending a crafted URI, leading to a configuration reset. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no confidentiality or integrity impact, but a partial availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.5CPE matchmatch criteria
cpe:2.3:a:s2sys:linear_emerge_access_control_system:2.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.78%
Probability of exploitation in next 30 days
EPSS Percentile
75.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0178 is in the 62nd percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

blip.tv / file/3414004
kb.cert.org / vuls/id/571629
US Government Resource
kb.cert.org / vuls/id/WDON-7ZDNNE
kb.cert.org / vuls/id/WDON-7ZDNNZ
slideshare.net / shawn_merdinger/we-dont-need-no-stinkin-badges-hacking-electronic-door-access-controllersquot-shawn-merdinger-carolinacon