6.5

CVE-2018-20803: mongodb inc mongodb server Infinite Loop

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-20803
Published 23-11-2020Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2018-20803 is a medium (CVSS 6.5) Infinite Loop vulnerability in mongodb inc mongodb server. EPSS estimates a 1.44% chance of exploitation in the next 30 days, higher than 72.7% 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
1.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-11-2020
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which loop indefinitely in mathematics processing while retaining locks. This issue affects MongoDB Server v4.0 versions prior to 4.0.5; MongoDB Server v3.6 versions prior to 3.6.10 and MongoDB Server v3.4 versions prior to 3.4.19.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.44%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.44% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.44%

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≥ 3.4.0, < 3.4.19 | ≥ 3.6.0, < 3.6.10 | ≥ 4.0.0, < 4.0.5
Mongodb inc1 product
  • mongodb server≥ 4.0, < 4.0.5 | ≥ 3.6, < 3.6.10 | ≥ 3.4, < 3.4.19
Ubuntu1 product
  • mongodbAll versions (No fix recorded)

3 vendors · 3 products

References

3 links