6.5

CVE-2020-7929: mongodb inc mongodb server Incorrect Regular Expression

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-7929
Published 01-03-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2020-7929 is a medium (CVSS 6.5) Incorrect Regular Expression vulnerability in mongodb inc mongodb server. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 69.9% 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
1.30%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-03-2021
    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 query contain a type of regex. This issue affects MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions prior to 4.0.20.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.30%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

+0.01 pp

From 1.29% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.30%

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, < 3.6.21 | ≥ 4.0.0, < 4.0.20
Mongodb inc1 product
Ubuntu1 product
  • mongodbAll versions (No fix recorded)

3 vendors · 3 products

References

3 links