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CVE-2015-9240

19
FAUCET Score

CVE-2015-9240 describes a vulnerability in the keystone node module before version 0.3.16, where its default sign-in functionality could incorrectly match incomplete email addresses. This high-severity vulnerability (CVSS 7.5) has a network attack vector and low attack complexity, potentially leading to high integrity impact if an attacker knows a valid password for a partially matched email. Despite its severity, there is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.16CPE matchmatch criteria
cpe:2.3:a:keystonejs:keystone:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 30th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa
Product: keystoneFixed in: 0.3.16

Vendor Advisories (1)

npmGHSA-39pj-gq8q-9pfjhigh

Authentication Weakness in keystone

Jun 7, 2018

References

nodesecurity.io / advisories/60
Third Party Advisory