CVE-2015-9240

mediumpriority · track · 30EPSS 0.009 · 59 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.88% (59th) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · OSV

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-255USprimaryCWE-1255US

affected products (3)

Products and version ranges known to be affected.

HackerOne keystone node module≤ <0.3.16enisa_euvdEU
keystonejs keystone< 0.3.16nvdUScpe:2.3:a:keystonejs:keystone:*:*:*:*:*:*:*:*
npm keystone< 0.3.16osvUSpkg:npm/keystone

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-39pj-gq8q-9pfjAuthentication Weakness in keystone2018-06-07ghsa · osvUS
Versions of `keystone` prior to 0.3.16 are affected by a partial authentication bypass vulnerability. In the default sign in functionality, if an attacker provides a full and correct password, yet only provides part of the associated email address, authentication will be granted. ## Recommendation Update to version 0.3.16 or later.

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 2018-05-29modified 2026-06-17

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+915 more

references (4)

External citations — patches, advisories, analysis.

http://keystonejs.com/Patchcnnvd
https://nodesecurity.io/advisories/60 cnnvd
https://nodesecurity.io/advisories/60 enisa_euvd
https://nodesecurity.io/advisories/60Third Party Advisorynvd

scry

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