CVE-2009-4300 json
Multiple unspecified authentication plugins in Moodle 1.8 before 1.8.11 and 1.9 before 1.9.7 store the MD5 hashes for passwords in the user…
published 2009-12-16 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-4268
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
Multiple unspecified authentication plugins in Moodle 1.8 before 1.8.11 and 1.9 before 1.9.7 store the MD5 hashes for passwords in the user table, even when the cached hashes are not used by the plugin, which might make it easier for attackers to obtain credentials via unspecified vectors.
Patch / fix
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-2009-4300 updated
Moodle: Multiple security fixes in 1.9.7 and 1.8.11 upstream releases
-
Red Hat All currently supported Red Hat productsnot 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
2.22% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
docs.moodle.org
/en/Moodle_1.9.7_release_notes
patch
-
docs.moodle.org
/en/Moodle_1.8.11_release_notes
patch
-
vupen.com
/english/advisories/2009/3455
vdb-entry, patch, vendor-advisory
-
securityfocus.com
/bid/37244
vdb-entry, patch
-
redhat.com
/archives/fedora-package-announce/2009-December/msg00730.html
vendor-advisory
-
redhat.com
/archives/fedora-package-announce/2009-December/msg00704.html
vendor-advisory
-
redhat.com
/archives/fedora-package-announce/2009-December/msg00751.html
vendor-advisory
-
secunia.com
/advisories/37614
third-party-advisory, vendor-advisory
- moodle.org /mod/forum/discuss.php?d=139105
Sources
- CVE List CVE-2009-4300
- NVD CVE-2009-4300
Fencer Vulns 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.