Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-20185


It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages, which could result in client-side (browser) denial of service for users receiving very large messages.


Published

2021-01-28T20:15:13.133

Last Modified

2024-11-21T05:46:05.473

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-400
  • Type: Primary
    CWE-770

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application moodle moodle < 3.5.16 Yes
Application moodle moodle < 3.8.7 Yes
Application moodle moodle < 3.9.4 Yes
Application moodle moodle 3.10.0 Yes

References