The admin page in ownCloud before 5.0.13 allows remote attackers to bypass intended access restrictions via unspecified vectors, related to…

published 2013-12-24 12 y ago modified 2026-06-17 4 mo ago also EUVD-2013-6224

cvss: 6.8; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.1%; EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits: 0; none known

The admin page in ownCloud before 5.0.13 allows remote attackers to bypass intended access restrictions via unspecified vectors, related to MariaDB.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-6403 updated 2026-01-07 cvss 6.8

owncloud: possible security bypass on admin page (5.0.13)

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.07% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls

References

secunia.com /advisories/55792
third-party-advisory, vendor-advisory
openwall.com /lists/oss-security/2013/11/28/6
mailing-list
owncloud.org /changelog/
exchange.xforce.ibmcloud.com /vulnerabilities/89323
vdb-entry

Sources

CVE List CVE-2013-6403
NVD CVE-2013-6403

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary