CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NCVE-2021-20329
Medium (6.5) in mongodb go driver. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in go.mongodb.org/mongo-driver 1.5.1.
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.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-20, CWE-1287
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mongodb:go_driver
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-f6mq-5m25-4r72 | Go | go.mongodb.org/mongo-driver | <1.5.1 | 1.5.1 |
| GO-2021-0112 | Go | go.mongodb.org/mongo-driver | <1.5.1 | 1.5.1 |