CVE-2019-9154

Name: CVE-2019-9154
Creator: NVD / NIST
Published: 2019-08-22T16:15:10.447+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.62%

Last modified Jun 17, 2026

CVE-2019-9154 is a vulnerability of currently unknown severity. Improper Verification of a Cryptographic Signature in OpenPGP.js <=4.1.2 allows an attacker to pass off unsigned data as signed.. EPSS estimates a 1.62% chance of exploitation in the next 30 days.

Description

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

Metrics

EPSS Probability

1.62%

72.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-347

Affected Software

Vendor	Product	Versions
Openpgpjs	Openpgpjs	<= 4.1.2

References

http://packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-Curve-Attack.htmlThird Party Advisory, VDB Entry
https://github.com/openpgpjs/openpgpjs/pull/797Third Party Advisory
https://github.com/openpgpjs/openpgpjs/pull/797/commits/47138eed61473e13ee8f05931119d3e10542c5e1Patch, Third Party Advisory
https://github.com/openpgpjs/openpgpjs/releases/tag/v4.2.0Release Notes
https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/Exploit, Third Party Advisory
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html#download=1Third Party Advisory
http://packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-Curve-Attack.htmlThird Party Advisory, VDB Entry
https://github.com/openpgpjs/openpgpjs/pull/797Third Party Advisory
https://github.com/openpgpjs/openpgpjs/pull/797/commits/47138eed61473e13ee8f05931119d3e10542c5e1Patch, Third Party Advisory
https://github.com/openpgpjs/openpgpjs/releases/tag/v4.2.0Release Notes
https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/Exploit, Third Party Advisory
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html#download=1Third Party Advisory

Timeline

Published: Aug 22, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-9154?

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

How severe is CVE-2019-9154?

Severity scoring for CVE-2019-9154 is pending analysis. The EPSS model estimates a 1.62% probability of exploitation in the next 30 days.

How do I fix CVE-2019-9154?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-9154?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST