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CVE-2015-4453

16
FAUCET Score

CVE-2015-4453 describes an authentication bypass vulnerability in OpenEMR versions 2.x, 3.x, and 4.x before 4.2.0 patch 2. By supplying an "ignoreAuth=1" parameter to specific scripts like fax_dispatch_newpid.php or sl_eob_search.php, remote attackers can bypass authentication and access sensitive information. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and allows for unauthorized information disclosure without requiring any authentication or complex attack methods. While it has a high FAUCET Risk Score, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.8.3CPE matchmatch criteria
cpe:2.3:a:open-emr:openemr:2.8.3:*:*:*:*:*:*:*
2.9.0CPE matchmatch criteria
cpe:2.3:a:open-emr:openemr:2.9.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:open-emr:openemr:3.0.1:*:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:open-emr:openemr:3.1.0:*:*:*:*:*:*:*
3.2.0CPE matchmatch criteria
cpe:2.3:a:open-emr:openemr:3.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

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

Exploit Intelligence

EPSS Score
2.87%
Probability of exploitation in next 30 days
EPSS Percentile
85.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0287 is in the 79th percentile among its peer group of 23,723 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

jvndb.jvn.jp / jvndb/JVNDB-2015-000092
Vendor Advisory
jvn.jp / en/jp/JVN22677713/index.html
Vendor Advisory
packetstormsecurity.com / files/132368/OpenEMR-4.2.0-Authentication-Bypass.html
seclists.org / fulldisclosure/2015/Jun/48
open-emr.org / wiki/index.php/OpenEMR_Patches
PatchVendor Advisory
securityfocus.com / bid/75299