Detections
Analytics

CVE-2019-9154

high

Description

Improper Verification of a Cryptographic Signature in OpenPGP.js <=4.1.2 allows an attacker to pass off unsigned data as signed.

References

https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html#download=1

https://github.com/openpgpjs/openpgpjs/pull/797/commits/47138eed61473e13ee8f05931119d3e10542c5e1

https://github.com/openpgpjs/openpgpjs/pull/797

http://packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-Curve-Attack.html

https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/

https://github.com/openpgpjs/openpgpjs/releases/tag/v4.2.0

Details

Source: Mitre, NVD

Published: 2019-08-22

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

EPSS

EPSS: 0.00389