CVE-2011-4291 json
Moodle allows remote authenticated users to cause a denial of service (invalid database records)
published 2012-07-16 14 y ago modified 2026-06-16 4 mo ago also GHSA-m2pf-4pf8-45j2 , EUVD-2011-4230
- cvss
- 4.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
Moodle 2.0.x before 2.0.3 allows remote authenticated users to cause a denial of service (invalid database records) via a series of crafted ratings operations.
Patch / fix
- packagist moodle/moodle 2.0.3
Exploit prediction
1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | moodle/moodle | >=2.0.0, <2.0.3 |
2.0.3 |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
git.moodle.org
/gw?p=moodle.git;a=commit;h=34b5e856b0c98aab3f5317119093628df0834957
web
-
moodle.org
/mod/forum/discuss.php?d=175593
web, vendor-advisory
-
openwall.com
/lists/oss-security/2011/11/14/1
mailing-list, web
-
git.moodle.org
/gw?p=moodle.git%3Ba=commit%3Bh=34b5e856b0c98aab3f5317119093628df0834957
web
-
nvd.nist.gov
/vuln/detail/CVE-2011-4291
advisory
-
git.moodle.org
package
Sources
- CVE List CVE-2011-4291
- GitHub Advisory GHSA-m2pf-4pf8-45j2
- NVD CVE-2011-4291
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.