Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-4300

18
FAUCET Score

CVE-2009-4300 describes a vulnerability in Moodle versions 1.8 before 1.8.11 and 1.9 before 1.9.7, where certain authentication plugins store MD5 password hashes in the user table even when not actively used. This flaw could allow attackers to more easily obtain user credentials. With a CVSS score of 5.0, this vulnerability has a network attack vector and low attack complexity, potentially leading to unauthorized information disclosure. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion 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

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.22%
Probability of exploitation in next 30 days
EPSS Percentile
80.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0222 is in the 70th percentile among its peer group of 23,725 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2009-4300Moderate

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
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