Upstream information
Description
Atto in Moodle 2.8.x before 2.8.9 and 2.9.x before 2.9.3 allows remote attackers to cause a denial of service (disk consumption) by leveraging the guest role and entering drafts with the editor-autosave feature.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having important severity.
| CVSS detail | National Vulnerability Database | 
|---|---|
| Base Score | 7.1 | 
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:C | 
| Access Vector | Network | 
| Access Complexity | Medium | 
| Authentication | None | 
| Confidentiality Impact | None | 
| Integrity Impact | None | 
| Availability Impact | Complete | 
| CVSS detail | National Vulnerability Database | 
|---|---|
| Base Score | 6.8 | 
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H | 
| Attack Vector | Network | 
| Attack Complexity | High | 
| Privileges Required | None | 
| User Interaction | None | 
| Scope | Changed | 
| Confidentiality Impact | None | 
| Integrity Impact | None | 
| Availability Impact | High | 
| CVSSv3 Version | 3 | 
SUSE Timeline for this CVE
CVE page created: Thu Dec 3 19:40:03 2015CVE page last modified: Mon Oct 6 18:23:12 2025