CVE-2021-36397
CVE-2021-36397 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-276
- Affected product: Moodle
- Published:
- Last modified:
Description
In Moodle, insufficient capability checks meant message deletions were not limited to the current user.
Frequently asked questions
- What is CVE-2021-36397?
- In Moodle, insufficient capability checks meant message deletions were not limited to the current user.
- How severe is CVE-2021-36397?
- CVE-2021-36397 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2021-36397 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-36397?
- CVE-2021-36397 affects Moodle. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-36397?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-36397 published?
- CVE-2021-36397 was published on 2023-03-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
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