Is CVE-2013-4313 being actively exploited?

CVE-2013-4313 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4313?

CVE-2013-4313 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2013-4313

HIGH · CVSS 7.5EPSS 1.2%EU EUVD

Moodle through 2.2.11, 2.3.x before 2.3.9, 2.4.x before 2.4.6, and 2.5.x before 2.5.2 does not prevent use of '\0' characters in query strings, which might allow remote attackers to conduct SQL injection attacks against Microsoft SQL Server via a crafted string.

Key facts

CVSS score: 7.5 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-89
EPSS score: 1.2% (68th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4206)
Published: September 16, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4206 in the EU Vulnerability Database. Last updated in EUVD on September 17, 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
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-40676(Patch)
https://moodle.org/mod/forum/discuss.php?d=238396(Patch, Vendor Advisory)

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

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