Moodle up to 3.5.15/3.8.6/3.9.3/3.10.0 Messaging resource consumption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.2 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Moodle up to 3.5.15/3.8.6/3.9.3/3.10.0 (Learning Management Software). Affected by this issue is an unknown part of the component Messaging Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.
The weakness was presented 01/29/2021 as 417168. The advisory is available at moodle.org. This vulnerability is handled as CVE-2021-20185. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
Upgrading to version 3.5.16, 3.8.7, 3.9.4 or 3.10.1 eliminates this vulnerability.
Product
Type
Name
Version
- 3.0
- 3.1
- 3.2
- 3.3
- 3.4
- 3.5
- 3.5.0
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
- 3.5.5
- 3.5.6
- 3.5.7
- 3.5.8
- 3.5.9
- 3.5.10
- 3.5.11
- 3.5.12
- 3.5.13
- 3.5.14
- 3.5.15
- 3.6
- 3.7
- 3.8
- 3.8.0
- 3.8.1
- 3.8.2
- 3.8.3
- 3.8.4
- 3.8.5
- 3.8.6
- 3.9
- 3.9.0
- 3.9.1
- 3.9.2
- 3.9.3
- 3.10
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.3
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Moodle 3.5.16/3.8.7/3.9.4/3.10.1
Timeline
12/17/2020 🔍01/29/2021 🔍
01/29/2021 🔍
02/21/2021 🔍
Sources
Product: moodle.orgAdvisory: 417168
Status: Confirmed
CVE: CVE-2021-20185 (🔍)
Entry
Created: 01/29/2021 11:22Updated: 02/21/2021 11:28
Changes: 01/29/2021 11:22 (39), 02/21/2021 11:24 (5), 02/21/2021 11:28 (18)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.