CVE-2019-2391

mediumpriority · track · 22EPSS 0.008 · 55 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.77% (55th) EPSS

CVSS 5.5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8 · impact 4.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.5

v3.14.2mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.14.2mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · cna@mongodb.comexploitability 1.6 · impact 2.5

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · OSV

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USprimaryCWE-502US

affected products (3)

Products and version ranges known to be affected.

MongoDB Inc. js-bson≤ 1.0 ≤1.1.3enisa_euvdEU
mongodb js-bson< 1.1.4nvdUScpe:2.3:a:mongodb:js-bson:*:*:*:*:*:*:*:*
npm bson< 1.1.4osvUSpkg:npm/bson

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-4jwp-vfvf-657pDeserialization of Untrusted Data in bson2022-02-10ghsa · osvUS
Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2020-03-31modified 2026-06-17

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+3752 more

references (4)

External citations — patches, advisories, analysis.

https://github.com/mongodb/js-bson/releases/tag/v1.1.4 cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2019-2391 cnnvd
https://github.com/mongodb/js-bson/releases/tag/v1.1.4 enisa_euvd
https://github.com/mongodb/js-bson/releases/tag/v1.1.4PatchRelease NotesThird Party Advisorynvd

scry

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