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CVE-2013-4228

14
FAUCET Score

CVE-2013-4228 describes an access restriction bypass vulnerability in the Organic Groups (OG) module for Drupal, specifically versions 7.x-2.x before 7.x-2.3. This flaw allows authenticated users to guess node IDs, subscribe to, and read content from private groups due to improper implementation of visibility fields. With a CVSS score of 4.3 (Medium), this vulnerability has a low attack complexity and requires user authentication, but could lead to unauthorized information disclosure (CWE-863). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
7.x-2.0CPE matchmatch criteria
cpe:2.3:a:organic_groups_project:organic_groups:7.x-2.0:-:*:*:*:drupal:*:*
7.x-2.0CPE matchmatch criteria
cpe:2.3:a:organic_groups_project:organic_groups:7.x-2.0:alpha1:*:*:*:drupal:*:*
7.x-2.0CPE matchmatch criteria
cpe:2.3:a:organic_groups_project:organic_groups:7.x-2.0:alpha2:*:*:*:drupal:*:*
7.x-2.0CPE matchmatch criteria
cpe:2.3:a:organic_groups_project:organic_groups:7.x-2.0:alpha3:*:*:*:drupal:*:*
7.x-2.0CPE matchmatch criteria
cpe:2.3:a:organic_groups_project:organic_groups:7.x-2.0:beta1:*:*:*:drupal:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.16%
Probability of exploitation in next 30 days
EPSS Percentile
63.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0116 is in the 78th percentile among its peer group of 21,951 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 0.1 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

drupal.org / node/2059755
Release NotesVendor Advisory
drupal.org / node/2059765
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/86328
VDB EntryVendor Advisory
openwall.com / lists/oss-security/2013/08/10/1
Mailing ListThird Party Advisory
securityfocus.com / bid/61708
Third Party AdvisoryVDB Entry