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CVE-2021-20329

MEDIUM
Published 2021-06-10T16:30:11.055753Z
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CVSS Score

V3.1
6.8
/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.335
Higher than 33.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Description

Specific cstrings input may not be properly validated in the MongoDB Go Driver when marshalling Go objects into BSON. A malicious user could use a Go object with specific string to potentially inject additional fields into marshalled documents. This issue affects all MongoDB GO Drivers prior to and including 1.5.0.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

MongoDB Inc.

MongoDB Go Driver

Affected Versions:

1.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

go.mongodb.org/mongo-driver improperly validates cstrings when marshalling Go objects into BSON

GHSA-f6mq-5m25-4r72

Advisory Details

Specific cstrings input may not be properly validated in the MongoDB Go Driver when marshalling Go objects into BSON. A malicious user could use a Go object with specific string to potentially inject additional fields into marshalled documents. This issue affects all MongoDB GO Drivers up to (and including) 1.5.0.

Affected Packages

Go go.mongodb.org/mongo-driver
ECOSYSTEM: ≥0 <1.5.1

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-20329
WEB https://github.com/mongodb/mongo-go-driver/pull/622
WEB https://github.com/mongodb/mongo-go-driver/commit/2aca31d5986a9e1c65a92264736de9fdc3b9b4ca
PACKAGE https://github.com/mongodb/mongo-go-driver
WEB https://github.com/mongodb/mongo-go-driver/releases/tag/v1.5.1
WEB https://jira.mongodb.org/browse/GODRIVER-1923
WEB https://pkg.go.dev/vuln/GO-2021-0112

Advisory provided by GitHub Security Advisory Database. Published: June 15, 2021, Modified: September 17, 2024

References

https://github.com/mongodb/mongo-go-driver/releases/tag/v1.5.1
Published: 2021-06-10T16:30:11.055753Z
Last Modified: 2024-09-16T22:55:51.498Z
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