MongoDB up to 3.6.19/4.0.20/4.2.9 neutralization for logs
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in MongoDB up to 3.6.19/4.0.20/4.2.9. The affected element is an unknown function. The manipulation leads to neutralization for logs. This vulnerability is listed as CVE-2021-20333. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.
Details
A vulnerability was found in MongoDB up to 3.6.19/4.0.20/4.2.9 (Database Software). It has been rated as problematic. This issue affects an unknown code. The manipulation with an unknown input leads to a neutralization for logs vulnerability. Using CWE to declare the problem leads to CWE-117. The product does not neutralize or incorrectly neutralizes output that is written to logs. Impacted is integrity.
The weakness was presented 07/23/2021. It is possible to read the advisory at jira.mongodb.org. The identification of this vulnerability is CVE-2021-20333. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 261367 (Linux Distros Unpatched Vulnerability : CVE-2021-20333), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 3.6.20, 4.0.21 or 4.2.10 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (261367). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Name
Version
- 3.6.0
- 3.6.1
- 3.6.2
- 3.6.3
- 3.6.4
- 3.6.5
- 3.6.6
- 3.6.7
- 3.6.8
- 3.6.9
- 3.6.10
- 3.6.11
- 3.6.12
- 3.6.13
- 3.6.14
- 3.6.15
- 3.6.16
- 3.6.17
- 3.6.18
- 3.6.19
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.7
- 4.0.8
- 4.0.9
- 4.0.10
- 4.0.11
- 4.0.12
- 4.0.13
- 4.0.14
- 4.0.15
- 4.0.16
- 4.0.17
- 4.0.18
- 4.0.19
- 4.0.20
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.2.5
- 4.2.6
- 4.2.7
- 4.2.8
- 4.2.9
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CNA Base Score: 5.3
CNA Vector (MongoDB, Inc.): 🔍
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: Neutralization for logsCWE: CWE-117 / CWE-116 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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 |
Nessus ID: 261367
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-20333
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: MongoDB 3.6.20/4.0.21/4.2.10
Timeline
12/17/2020 🔍07/23/2021 🔍
07/23/2021 🔍
09/08/2025 🔍
Sources
Advisory: jira.mongodb.orgStatus: Confirmed
CVE: CVE-2021-20333 (🔍)
GCVE (CVE): GCVE-0-2021-20333
GCVE (VulDB): GCVE-100-179603
Entry
Created: 07/23/2021 18:58Updated: 09/08/2025 14:31
Changes: 07/23/2021 18:58 (36), 07/28/2021 13:29 (2), 07/28/2021 13:35 (1), 09/17/2024 06:05 (41), 09/08/2025 14:31 (2)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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