6.5

CVE-2018-20802: mongodb inc mongodb server Unexpected Status Code or Return Value

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-20802
Published 23-11-2020Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-20802 is a medium (CVSS 6.5) Unexpected Status Code or Return Value vulnerability in mongodb inc mongodb server. EPSS estimates a 1.58% chance of exploitation in the next 30 days, higher than 75.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.58%
0%100%
Low · +0.10 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
USN-8064-1

Timeline

  1. 23-11-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.58%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

+0.10 pp

From 1.48% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.58%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mongodb1 product
  • mongodb≥ 3.6.0, < 3.6.9 | ≥ 4.0.0, < 4.0.3
Mongodb inc1 product
Ubuntu1 product
  • mongodb< 1:3.6.3-0ubuntu1.4+esm1

3 vendors · 3 products

References

4 links