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CVE-2012-4391

21
FAUCET Score

CVE-2012-4391 describes a Cross-Site Request Forgery (CSRF) vulnerability in ownCloud versions prior to 4.0.7, specifically within the core/ajax/appconfig.php component. This flaw allows unauthenticated remote attackers to hijack an administrator's session to modify application configurations. The vulnerability has a CVSS score of 6.8, indicating a medium severity due to its network-based attack vector, medium attack complexity, and potential for partial compromise of confidentiality, integrity, and availability. 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
<= 4.0.6CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud_server:3.0.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud_server:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud_server:3.0.2:*:*:*:*:*:*:*
3.0.3CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud_server:3.0.3:*:*:*:*:*:*:*

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
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 18th percentile among its peer group of 19,956 CVEs.

Social Chatter

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

owncloud.org / changelog
github.com / owncloud/core/commit/5192eecce239a0b7ade1e60a6cf03075e5cfc188
openwall.com / lists/oss-security/2012/09/02/2