CVE-2018-1638

mediumpriority · track · 33EPSS 0.017 · 78 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.75% (78th) EPSS

CVSS 6.8 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

IBM API Connect 5.0.0.0-5.0.8.3 Developer Portal does not enforce Two Factor Authentication (TFA) while resetting a user password but enforces it for all other login scenarios. IBM X-Force ID: 144483.

cvss

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

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.9–8.1

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.08.1highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 5.9

v3.05.9mediumCVSS:3.0/A:N/AC:H/AV:N/C:N/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:Osecondary · ENISA EU

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · psirt@us.ibm.com USexploitability 2.2 · impact 3.6

v3.07.4highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimary

affected products (2)

Products and version ranges known to be affected.

IBM API Connect≤ 5.0.0.0-5.0.8.3enisa_euvdEU
ibm api connect5.0.0.0 → 5.0.8.3nvdUScpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-07-31modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

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