4

CVE-2011-4584: moodle

CVSS: 4.0v2.0MediumModified
Published 20-07-2012Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2011-4584 is a medium (CVSS 4.0) vulnerability in moodle. EPSS estimates a 1.73% chance of exploitation in the next 30 days, higher than 77.2% of scored vulnerabilities.

Overall risk
16/100
0100
Low · default modelHow is this calculated?
CVSS score
4.0/10
010
Medium · v2.0 (NVD)
EPSS score
1.73%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DSA-2421-1

Timeline

  1. 20-07-2012
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The MNET authentication functionality in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote authenticated users to impersonate other user accounts by using the Login As feature in conjunction with a remote MNET single sign-on capability, as demonstrated by a Mahara site.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.73%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.73% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Moodle1 product
  • moodle1.9.1 | 1.9.2 | 1.9.3 | 1.9.4 | 1.9.5 | 1.9.6 | 1.9.7 | 1.9.8 | 1.9.9 | 1.9.10 | 1.9.11 | 1.9.12 | 1.9.13 | 1.9.14 | 2.0.0 | 2.0.1 | 2.0.2 | 2.0.3 | 2.0.4 | 2.0.5 | 2.1.0 | 2.1.1 | 2.1.2

1 vendor · 1 product

References

4 links