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CVE-2009-4304

21
FAUCET Score

CVE-2009-4304 describes a vulnerability in Moodle versions 1.8 before 1.8.11 and 1.9 before 1.9.7, where the absence of a random password salt in config.php facilitates brute-force password guessing. This vulnerability carries a CVSS score of 7.5, indicating a high severity due to its network-based attack vector, low attack complexity, and potential for partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.8.1:*:*:*:*:*:*:*
1.8.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.8.2:*:*:*:*:*:*:*
1.8.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.8.3:*:*:*:*:*:*:*
1.8.4CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.8.4:*:*:*:*:*:*:*
1.8.5CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.8.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.83%
Probability of exploitation in next 30 days
EPSS Percentile
76.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0183 is in the 60th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-4304Moderate

Moodle: Multiple security fixes in 1.9.7 and 1.8.11 upstream releases

Nov 25, 2009

References

docs.moodle.org / en/Moodle_1.8.11_release_notes
Patch
docs.moodle.org / en/Moodle_1.9.7_release_notes
Patch
moodle.org / mod/forum/discuss.php
PatchVendor Advisory
secunia.com / advisories/37614
Vendor Advisory
redhat.com / archives/fedora-package-announce/2009-December/msg00704.html
redhat.com / archives/fedora-package-announce/2009-December/msg00730.html
redhat.com / archives/fedora-package-announce/2009-December/msg00751.html
securityfocus.com / bid/37244
Patch
vupen.com / english/advisories/2009/3455
PatchVendor Advisory