CVE-2019-20924: mongodb inc mongodb server Unexpected Status Code or Return Value
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2019-20924
Published 23-11-2020Last modified 16-09-2024
Vulnerability summary
CVE-2019-20924 is a medium (CVSS 6.5) Unexpected Status Code or Return Value vulnerability in mongodb inc mongodb server. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 70% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
1.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-11-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries which trigger an invariant in the IndexBoundsBuilder. This issue affects MongoDB Server v4.2 versions prior to 4.2.2.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.30%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.30% on 20-09-2026
20-09-202620-10-2026
EPSS score1.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-394Unexpected Status Code or Return ValueThe product does not properly check when a function or operation returns a value that is legitimate for the function, but is not expected by the product.
- CWE-754Improper Check for Unusual or Exceptional ConditionsThe product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.
Affected systems
Mongodb1 product
- mongodb≥ 4.2.0, < 4.2.2
Mongodb inc1 product
- mongodb server≥ 4.2, < 4.2.2
Ubuntu1 product
- mongodbAll versions (No fix recorded)
3 vendors · 3 products