critical9.1
CVE-2021-21809
Moodle command execution vulnerability exists in the default legacy spellchecker plugin
Impact
A command execution vulnerability exists in the default legacy spellchecker plugin in a few Moodle multiple specific versions. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | moodle/moodle | = 3.10.0 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Moodle | Moodle | Version 3.10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- http://packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1277
- https://github.com/advisories/GHSA-c7jj-vfmr-j9mj
- https://nvd.nist.gov/vuln/detail/CVE-2021-21809