MEDIUM
Moodle 2.3.x before 2.3.1 uses only a client-side check for whether references are permitted in a file upload, which allows remote authenticated users to bypass intended alias (aka shortcut) restrictions via a client that omits this check
Published Jul 23, 2012
4.0
MEDIUMCVSS 2.0
EPSS 1.13%
Description
Moodle 2.3.x before 2.3.1 uses only a client-side check for whether references are permitted in a file upload, which allows remote authenticated users to bypass intended alias (aka shortcut) restrictions via a client that omits this check.
Affected products
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.
4.0 MEDIUM NVD
AV:N/AC:L/Au:S/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.13% 0.01128
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01128
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.13% (0.01128) | 65.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.13% (0.01128) | 62.03th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.27% (0.00269) | 48.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.37% (0.00370) | 73.45th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.37% (0.00370) | 71.81th | v3 (v2023.03.01) |
| Jun 13, 2023 | 0.37% (0.00370) | 68.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00267) | 62.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.13% (0.01132) | 56.11th | v2 (v2022.01.01) |
| Sep 22, 2022 | 1.13% (0.01132) | 54.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.13% (0.01132) | 52.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.13% (0.01132) | 30.65th | v2 (v2022.01.01) |
Weaknesses (2)
References (10)
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-33948 x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2012/07/17/1 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/49890 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/54481 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76954 vdb-entryx_refsource_XF
- https://github.com/advisories/GHSA-w66h-c2vj-cm7f Advisory
- https://github.com/moodle/moodle/commit/3b6629c088f14c6ee8f13a009ff27441d164f334
- https://github.com/moodle/moodle/commit/61a339e59857fd36080f4a468a16cd6a539d90bb
- https://nvd.nist.gov/vuln/detail/CVE-2012-3387
- https://web.archive.org/web/20121104220059/http://www.securityfocus.com/bid/54481
| Link | Providers | Tags |
|---|---|---|
| http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-33948 | x_refsource_CONFIRM | |
| http://openwall.com/lists/oss-security/2012/07/17/1 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/49890 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/54481 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/76954 | vdb-entryx_refsource_XF | |
| https://github.com/advisories/GHSA-w66h-c2vj-cm7f | Advisory | |
| https://github.com/moodle/moodle/commit/3b6629c088f14c6ee8f13a009ff27441d164f334 | ||
| https://github.com/moodle/moodle/commit/61a339e59857fd36080f4a468a16cd6a539d90bb | ||
| https://nvd.nist.gov/vuln/detail/CVE-2012-3387 | ||
| https://web.archive.org/web/20121104220059/http://www.securityfocus.com/bid/54481 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jul 23, 2012
Updated Aug 6, 2024
Reserved Jun 14, 2012
Link CVE-2012-3387
CISA Vulnrichment
GHSA-W66H-C2VJ-CM7F Updated n/a