Auth bypass in MongoDB
CVE-2020-7921
Improper serialization of internal state in the authorization subsystem in MongoDB Server's authorization subsystem permits a user with valid credentials to bypass IP whitelisting protection mechanisms following administrative action. This issue affects MongoDB Server v4.2 versions prior to 4.2.3; MongoDB Server v4.0 versions prior to 4.0.15; MongoDB Server v4.3 versions prior to 4.3.3and MongoDB Server v3.6 versions prior to 3.6.18.
EPSS: 0.007 (49.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.
Affected products
- Mongodb
- Mongodb Inc. Server — versions 4.2, 4.0, 3.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@mongodb.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-7921?
- CVE-2020-7921 is a medium-severity vulnerability in MongoDB, classified under CWE-182. CVSS score: 4.6/10. Published 2020-05-06.
- How severe is CVE-2020-7921?
- Medium severity. CVSS v3 base score is 4.6 out of 10.
- Is CVE-2020-7921 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.