Resource exhaustion in MongoDB
CVE-2021-32036
An authenticated user without any specific authorizations may be able to repeatedly invoke the features command where at a high volume may lead to resource depletion or generate high lock contention. This may result in denial of service and in rare cases could result in id field collisions. This issue affects MongoDB Server v5.0 versions prior to and including 5.0.3; MongoDB Server v4.4 versions prior to and including 4.4.9; MongoDB Server v4.2 versions prior to and including 4.2.16 and MongoDB Server v4.0 versions prior to and including 4.0.28
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.010 (62.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
Affected products
- MongoDB
- MongoDB Inc. Server — versions 5.0, 4.4, 4.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jira.mongodb.org/browse/SERVER-59294 (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-32036?
- CVE-2021-32036 is a medium-severity vulnerability in MongoDB, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.4/10. Published 2022-02-04.
- How severe is CVE-2021-32036?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-32036 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.