What is CVE-2015-9240?

CVE-2015-9240 is a high-severity vulnerability in HackerOne Keystone Node Module, classified under CWE-255. CVSS score: 7.5/10. Published 2018-05-29.

How severe is CVE-2015-9240?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in HackerOne Keystone Node Module

CVE-2015-9240

Due to a bug in the the default sign in functionality in the keystone node module before 0.3.16, incomplete email addresses could be matched. A correct password is still required to complete sign in.

Published 2018-05-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

HackerOne Keystone Node Module — versions <0.3.16
Keystonejs Keystone

Weakness classification (CWE)

CWE-255

References

nodesecurity.io/advisories/60 (Third Party Advisory)

Frequently asked questions

What is CVE-2015-9240?: CVE-2015-9240 is a high-severity vulnerability in HackerOne Keystone Node Module, classified under CWE-255. CVSS score: 7.5/10. Published 2018-05-29.
How severe is CVE-2015-9240?: High severity. CVSS v3 base score is 7.5 out of 10.