CVE-2021-20279
MEDIUMCVSS 5.4/10EPSS 1.00%
Last modified
CVE-2021-20279 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The ID number user profile field required additional sanitizing to prevent a stored XSS risk in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.. EPSS estimates a 1.00% chance of exploitation in the next 30 days.
Description
The ID number user profile field required additional sanitizing to prevent a stored XSS risk in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moodle | Moodle | >= 3.5.0, < 3.5.17 |
| Moodle | Moodle | >= 3.8.0, < 3.8.8 |
| Moodle | Moodle | >= 3.9.0, < 3.9.5 |
| Moodle | Moodle | >= 3.10.0, < 3.10.2 |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 34 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1939033Issue Tracking, Third Party Advisory
- https://moodle.org/mod/forum/discuss.php?d=419650Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939033Issue Tracking, Third Party Advisory
- https://moodle.org/mod/forum/discuss.php?d=419650Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20279?
The ID number user profile field required additional sanitizing to prevent a stored XSS risk in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
How severe is CVE-2021-20279?
CVE-2021-20279 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20279?
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-2021-20279?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST