Specific replication command with malformed oplog entries can crash secondaries (MongoDB Inc. MongoDB Server)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.08 % · percentile 65 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mongodb
- NVD status
- Modified
Description
An attacker with basic CRUD permissions on a replicated collection can run the applyOps command with specially malformed oplog entries, resulting in a potential denial of service on secondaries. This issue affects MongoDB Server v4.0 versions prior to 4.0.27; MongoDB Server v4.2 versions prior to 4.2.16; MongoDB Server v4.4 versions prior to 4.4.9.
Weaknesses (CWE)
- CWE-20 — Improper Input Validation
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | mongodb |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · cna@mongodb.com (Secondary) |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-7750
- GCVE · GCVE-0-2021-20330
CERT-FR advisories
- CERTFR-2021-AVI-962 — Vulnérabilité dans MongoDB · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*≥ 4.0.0 < 4.0.25cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*≥ 4.2.0 < 4.2.14cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*≥ 4.4.0 < 4.4.6
Affected products
| Product | Versions |
|---|---|
| MongoDB Inc. · MongoDB Server | affected 4.0 < 4.0.27 ; affected 4.2 < 4.2.16 ; affected 4.4 < 4.4.9 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |