UpHeron
All vulnerabilities

Servers and applications

CVE-2021-36396

In Moodle, insufficient redirect handling made it possible to blindly bypass cURL blocked hosts/allowed ports restrictions, resulting in a blind SSRF risk.

Severity
High 7.5
Published
6 Mar 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.9.8, 3.10.5, 3.11.1
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Every version before 3.9.8
  • From 3.10.0 before 3.10.5
  • From 3.11.0 before 3.11.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-36396
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-36396