Vulnerability in MongoDB Ops Manager
CVE-2021-20335
For MongoDB Ops Manager versions prior to and including 4.2.24 with multiple OM application servers, that have SSL turned on for their MongoDB processes, the upgrade to MongoDB Ops Manager versions prior to and including 4.4.12 triggers a bug where Automation thinks SSL is being turned off, and can disable SSL temporarily for members of the cluster. This issue is temporary and eventually corrects itself after MongoDB Ops Manager instances have finished upgrading to MongoDB Ops Manager 4.4. In addition, customers must be running with clientCertificateMode=OPTIONAL / allowConnectionsWithoutCertificates=true to be impacted*.* Customers upgrading from Ops Manager 4.2.X to 4.2.24 and finally to Ops Manager 4.4.13+ are unaffected by this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.001 (2.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: -0.000
Affected products
- MongoDB Ops Manager
- MongoDB Inc. Ops Manager — versions 4.2
Weakness classification (CWE)
References
- docs.opsmanager.mongodb.com/v4.2/release-notes/application/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-20335?
- CVE-2021-20335 is a medium-severity vulnerability in MongoDB Ops Manager, classified under Cleartext Transmission of Sensitive Information. CVSS score: 6.7/10. Published 2021-02-11.
- How severe is CVE-2021-20335?
- Medium severity. CVSS v3 base score is 6.7 out of 10.