Vulnetix
Try Vulnetix Request Demo
CVE-2021-32040 PUBLISHED

It may be possible to have an extremely long aggregation pipeline in conjunction with a specific stage/operator and cause a stack overflow due to the size of the stack frames used by that stage. If an attacker could cause such an aggregation to occur, they could maliciously crash MongoDB in a DoS attack. This vulnerability affects MongoDB Server v4.4 versions prior to and including 4.4.28, MongoDB Server v5.0 versions prior to 5.0.4 and MongoDB Server v4.2 versions prior to 4.2.16. Workaround: >= v4.2.16 users and all v4.4 users can add the --setParameter internalPipelineLengthLimit=50 instead of the default 1000 to mongod at startup to prevent a crash.

EPSS 1.53% · 81.2th percentile

Risk Scores

EPSS Score
1.53%
81.2th percentile

Affected Products

VendorProductVersions
Bitnamimongodb4.4.0, 5.0.0, 4.2.0
Bitnamimongodb4.2.0, 4.4.0, 5.0.0

Timeline

References

Open in Interactive Console →