What is CVE-2019-2391?

CVE-2019-2391 is a medium-severity vulnerability in Mongodb Js-Bson, classified under Deserialization of Untrusted Data. CVSS score: 4.2/10. Published 2020-03-31.

How severe is CVE-2019-2391?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Is CVE-2019-2391 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Mongodb Js-Bson

CVE-2019-2391

Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure. This issue affects: MongoDB Inc. js-bson library version 1.1.3 and prior to.

Vulnerability class: Insecure Deserialization

EPSS: 0.009 (56.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Mongodb Js-bson
Mongodb Inc. Js-bson — versions 1.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

cna@mongodb.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2019-2391?: CVE-2019-2391 is a medium-severity vulnerability in Mongodb Js-Bson, classified under Deserialization of Untrusted Data. CVSS score: 4.2/10. Published 2020-03-31.
How severe is CVE-2019-2391?: Medium severity. CVSS v3 base score is 4.2 out of 10.
Is CVE-2019-2391 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.