VDB-170442 · CVE-2021-20328 · Nessus 257868

mongo-java-driver certificate validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in mongo-java-driver, mongodb-driver, mongodb-driver-sync and mongodb-driver-legacy. It has been declared as critical. This affects an unknown function. The manipulation results in certificate validation. This vulnerability is reported as CVE-2021-20328. The attacker must have access to the local network to execute the attack. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in mongo-java-driver, mongodb-driver, mongodb-driver-sync and mongodb-driver-legacy (Database Software) (version now known). Affected is some unknown processing. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 02/26/2021. The advisory is available at jira.mongodb.org. This vulnerability is traded as CVE-2021-20328. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 257868 (Linux Distros Unpatched Vulnerability : CVE-2021-20328), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (257868). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Database Software

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CNA Base Score: 6.4
CNA Vector (MongoDB, Inc.): 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: 257868
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-20328

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
02/26/2021 +71 days 🔍
02/26/2021 +0 days 🔍
08/30/2025 +1646 days 🔍

Sourcesinfo

Advisory: jira.mongodb.org
Status: Confirmed

CVE: CVE-2021-20328 (🔍)
GCVE (CVE): GCVE-0-2021-20328
GCVE (VulDB): GCVE-100-170442

Entryinfo

Created: 02/26/2021 08:45
Updated: 08/30/2025 22:47
Changes: 02/26/2021 08:45 (35), 03/05/2021 12:04 (5), 03/05/2021 12:08 (1), 09/16/2024 22:35 (42), 05/04/2025 05:49 (3), 08/30/2025 22:47 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.