High severity · published Nov 24, 2020
CVE-2019-20925
An unauthenticated client can trigger denial of service by issuing specially crafted wire protocol messages, which cause the message decompressor to incorrectly allocate memory
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
An unauthenticated client can trigger denial of service by issuing specially crafted wire protocol messages, which cause the message decompressor to incorrectly allocate memory. This issue affects MongoDB Server v4.2 versions prior to 4.2.1; MongoDB Server v4.0 versions prior to 4.0.13; MongoDB Server v3.6 versions prior to 3.6.15 and MongoDB Server v3.4 versions prior to 3.4.24.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
MongoDB · MongoDB
3.4.0 before 3.4.24; 3.6.0 before 3.6.15; 4.0.0 before 4.0.13; 4.2.0 before 4.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20925
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20925
Issue Tracking
https://jira.mongodb.org/browse/SERVER-43751
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