CVE-2021-36403
MEDIUMCVSS 5.3/10EPSS 0.53%
Last modified
CVE-2021-36403 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
Description
In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moodle | Moodle | < 3.9.8 |
| Moodle | Moodle | >= 3.10.0, < 3.10.5 |
| Moodle | Moodle | >= 3.11.0, < 3.11.1 |
References
- https://moodle.org/mod/forum/discuss.php?d=424809Patch, Vendor Advisory
- https://moodle.org/mod/forum/discuss.php?d=424809Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-36403?
In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.
How severe is CVE-2021-36403?
CVE-2021-36403 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36403?
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-2021-36403?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST