CVE-2018-20802 — Unexpected Status Code or Return Value in INC Mongodb Server

CWE-394 — Unexpected Status Code or Return ValueCWE-393 — Return of Wrong Status Code6 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.4%
top 37.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mongodb INC Mongodb ServerMongodb
Timeline
PublishedNov 23
Latest updateFeb 25

Description

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with compound indexes affecting QueryPlanner. This issue affects MongoDB Server v3.6 versions prior to 3.6.9 and MongoDB Server v4.0 versions prior to 4.0.3.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5mongodb_inc/mongodb_server3.6 — 3.6.9+1
▶NVDmongodb/mongodb3.6.0 — 3.6.9+1
▶Ubuntumongodb/mongodb< 1:3.6.3-0ubuntu1.4+esm1

🔴Vulnerability Details

3
GHSA
GHSA-g6mr-mvf4-4wvj: A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with compound indexes affecting Query↗2022-05-24
▶
OSV
CVE-2018-20802: A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with compound indexes affecting Query↗2020-11-23
▶
CVEList
Post-auth queries on compound index may crash mongod↗2020-11-23
▶

📋Vendor Advisories

2
Ubuntu
MongoDB vulnerabilities↗2026-02-25
▶
Red Hat
mongodb: Denial of service via crafted queries with compound indexes affecting QueryPlanner↗2020-11-23
▶