Medium severity · published Nov 23, 2020
CVE-2018-20805
A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which perform an $elemMatch
6.5
CVSS
1.2%
EPSS
No
On KEV
Description
A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which perform an $elemMatch . This issue affects MongoDB Server v4.0 versions prior to 4.0.5 and MongoDB Server v3.6 versions prior to 3.6.10.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
MongoDB · MongoDB
3.6.0 before 3.6.10; 4.0.0 before 4.0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20805
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20805
Issue Tracking
https://jira.mongodb.org/browse/SERVER-38164
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