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::$DATA to upload a PHP program
Published Oct 6, 2014
7.5
HIGHCVSS 2.0
EPSS 12.39%
Description
Incomplete blacklist vulnerability in ajax/upload.php in ownCloud before 5.0, when running on Windows, allows remote authenticated users to bypass intended access restrictions, upload files with arbitrary names, and execute arbitrary code via an Alternate Data Stream (ADS) syntax in the filename parameter, as demonstrated using .htaccess::$DATA to upload a PHP program.
Affected products
No data.
- ≤ 4.5.13
- 3.0.0
- 3.0.1
- 3.0.2
- 3.0.3
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.7
- 4.0.8
- 4.0.9
- 4.0.10
- 4.0.11
- 4.0.12
- 4.0.13
- 4.0.14
- 4.0.15
- 4.0.16
- 4.5.0
- 4.5.1
- 4.5.2
- 4.5.3
- 4.5.4
- 4.5.5
- 4.5.6
- 4.5.7
- 4.5.8
- 4.5.9
- 4.5.10
- 4.5.11
- 4.5.12
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 12.39% (0.12388) | 96.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.39% (0.12388) | 95.67th | v5 (v2026.06.15) |
| May 22, 2026 | 12.20% (0.12200) | 93.92th | v4 (v2025.03.14) |
| Mar 16, 2026 | 13.92% (0.13924) | 94.21th | v4 (v2025.03.14) |
| Jun 21, 2025 | 17.81% (0.17806) | 94.79th | v4 (v2025.03.14) |
| Mar 30, 2025 | 13.92% (0.13924) | 93.71th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.13% (0.07135) | 90.89th | v4 (v2025.03.14) |
| Dec 17, 2024 | 14.29% (0.14286) | 95.69th | v3 (v2023.03.01) |
| Dec 12, 2024 | 18.91% (0.18905) | 96.43th | v3 (v2023.03.01) |
| May 18, 2024 | 18.51% (0.18510) | 96.21th | v3 (v2023.03.01) |
| Apr 1, 2024 | 16.17% (0.16168) | 95.86th | v3 (v2023.03.01) |
| Feb 10, 2024 | 16.08% (0.16080) | 95.77th | v3 (v2023.03.01) |
| Sep 13, 2023 | 18.42% (0.18423) | 95.56th | v3 (v2023.03.01) |
| Jun 13, 2023 | 18.62% (0.18620) | 95.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 18.26% (0.18263) | 95.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 43.66% (0.43663) | 98.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 43.66% (0.43663) | 97.68th | v2 (v2022.01.01) |
References (9)
- http://packetstormsecurity.com/files/125585/ownCloud-4.0.x-4.5.x-Remote-Code-Execution.html x_refsource_MISCExploit
- http://seclists.org/fulldisclosure/2014/Mar/45 mailing-listx_refsource_FULLDISC
- http://secunia.com/advisories/57267 third-party-advisoryx_refsource_SECUNIA
- http://www.exploit-db.com/exploits/32162 exploitx_refsource_EXPLOIT-DB
- http://www.osvdb.org/104082 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/531365/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/66000 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/91757 vdb-entryx_refsource_XF
- https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-2044/ x_refsource_MISCExploit
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/125585/ownCloud-4.0.x-4.5.x-Remote-Code-Execution.html | x_refsource_MISCExploit | |
| http://seclists.org/fulldisclosure/2014/Mar/45 | mailing-listx_refsource_FULLDISC | |
| http://secunia.com/advisories/57267 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.exploit-db.com/exploits/32162 | exploitx_refsource_EXPLOIT-DB | |
| http://www.osvdb.org/104082 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/archive/1/531365/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/66000 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/91757 | vdb-entryx_refsource_XF | |
| https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-2044/ | x_refsource_MISCExploit |
Change history (0)
No recorded changes yet.