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CVE-2015-4390

18
FAUCET Score

CVE-2015-4390 describes multiple Cross-Site Request Forgery (CSRF) vulnerabilities in the User Import module for Drupal, affecting versions 6.x-4.x before 6.x-4.4 and 7.x-2.x before 7.x-2.3. This vulnerability allows remote attackers to hijack administrator authentication to either continue or delete ongoing user imports. With a CVSS score of 6.8, it presents a medium attack complexity and can lead to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.x-4.0CPE matchmatch criteria
cpe:2.3:a:user_import_project:user_import:6.x-4.0:*:*:*:*:drupal:*:*
6.x-4.1CPE matchmatch criteria
cpe:2.3:a:user_import_project:user_import:6.x-4.1:*:*:*:*:drupal:*:*
6.x-4.2CPE matchmatch criteria
cpe:2.3:a:user_import_project:user_import:6.x-4.2:*:*:*:*:drupal:*:*
6.x-4.3CPE matchmatch criteria
cpe:2.3:a:user_import_project:user_import:6.x-4.3:*:*:*:*:drupal:*:*
6.x-4.xCPE matchmatch criteria
cpe:2.3:a:user_import_project:user_import:6.x-4.x:dev:*:*:*:drupal:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
47.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 9th percentile among its peer group of 19,955 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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/2463941
Patch
drupal.org / node/2463943
Patch
drupal.org / node/2463949
PatchVendor Advisory
openwall.com / lists/oss-security/2015/04/25/6
securityfocus.com / bid/74352