CVE-2014-2044

ownCloud < 5.0 - Authenticated Remote Code Execution via Alternate Data Stream Filename Bypass

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2014-2044. PoCs published by Portcullis.

AI-analyzed exploit summary This exploit leverages Windows Alternate Data Streams (ADS) to bypass ownCloud's blacklist and upload a malicious .htaccess file, enabling PHP code execution. It requires authenticated access and targets Windows installations of ownCloud 4.0.x and 4.5.x.

Description

Incomplete blacklist vulnerability in ajax/upload.php in ownCloud before 5.0, when running on Windows, allows remote authenticated users to bypass intended access restrictions, upload files with arbitrary names, and execute arbitrary code via an Alternate Data Stream (ADS) syntax in the filename parameter, as demonstrated using .htaccess::$DATA to upload a PHP program.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Portcullis · textwebappsmultiple
https://www.exploit-db.com/exploits/32162

This exploit leverages Windows Alternate Data Streams (ADS) to bypass ownCloud's blacklist and upload a malicious .htaccess file, enabling PHP code execution. It requires authenticated access and targets Windows installations of ownCloud 4.0.x and 4.5.x.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ownCloud 4.0.x & 4.5.x (Windows)
Auth required
Prerequisites: Authenticated access to ownCloud · Windows-based ownCloud installation
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/57267
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/104082
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/66000
Mailing List mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2014/Mar/45
Exploit exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/32162
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/91757
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/531365/100/0/threaded

Scores

EPSS 0.1239
EPSS Percentile 95.7%

Details

CWE
CWE-94
Status published
Products (35)
owncloud/owncloud < 4.5.13
owncloud/owncloud_server 3.0.0
owncloud/owncloud_server 3.0.1
owncloud/owncloud_server 3.0.2
owncloud/owncloud_server 3.0.3
owncloud/owncloud_server 4.0.0
owncloud/owncloud_server 4.0.1
owncloud/owncloud_server 4.0.2
owncloud/owncloud_server 4.0.3
owncloud/owncloud_server 4.0.4
... and 25 more
Published Oct 06, 2014
Tracked Since Feb 18, 2026