Is CVE-2011-4589 being actively exploited?

CVE-2011-4589 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4589?

CVE-2011-4589 has a CVSS 2.0 base score of 5.5 (MEDIUM).

CVE-2011-4589

MEDIUM · CVSS 5.5EPSS 1.3%EU EUVD

backup/moodle2/restore_stepslib.php in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3 does not check for the moodle/course:changeidnumber privilege during handling of course ID numbers, which allows remote authenticated users to overwrite ID numbers via a restore action.

Key facts

CVSS score: 5.5 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:S/C:N/I:P/A:P
Weakness (CWE): CWE-264
EPSS score: 1.3% (70th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4514)
Published: July 20, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4514 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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