Strix
26.1K

CVE-2021-32478

MEDIUMCVSS 6.1/10EPSS 1.16%

Last modified

CVE-2021-32478 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions are affected.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions are affected.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
1.16%

63.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MoodleMoodle< 3.8.9
MoodleMoodle>= 3.9.0, < 3.9.7
MoodleMoodle>= 3.10.0, < 3.10.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-32478?
The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions are affected.
How severe is CVE-2021-32478?
CVE-2021-32478 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32478?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32478?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST