Specially crafted regex query can cause DoS
CVE-2020-7929

6.5MEDIUM

Key Information:

Vendor
MongoDB
Status
Mongodb Server
Vendor
CVE Published:
1 March 2021

Summary

A user authorized to perform database queries may trigger denial of service by issuing specially crafted query contain a type of regex. This issue affects MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions prior to 4.0.20.

Affected Version(s)

MongoDB Server 3.6 < 3.6.21

MongoDB Server 4.0 < 4.0.20

References

https://jira.mongodb.org/browse/SERVER-51083
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.