CVE-2018-1443

Name: CVE-2018-1443
Creator: NVD / NIST
Published: 2018-03-08T16:29:00.407+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2018-1443 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. An XML parsing vulnerability affects IBM SAML-based single sign-on (SSO) systems (IBM Security Access Manager 9.0.0 - 9.0.4 and IBM Tivoli Federated Identity Manager 6.2 - 6.0.2.) This vulnerability can allow an attacker with authenticated access to trick SAML systems into authenticating as a different user without knowledge of the victim users password. IBM X-Force ID: 139754.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

An XML parsing vulnerability affects IBM SAML-based single sign-on (SSO) systems (IBM Security Access Manager 9.0.0 - 9.0.4 and IBM Tivoli Federated Identity Manager 6.2 - 6.0.2.) This vulnerability can allow an attacker with authenticated access to trick SAML systems into authenticating as a different user without knowledge of the victim users password. IBM X-Force ID: 139754.

Metrics

CVSS 3.0

5.9/10

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

EPSS Probability

0.41%

33.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Ibm	Security Access Manager	>= 9.0.0, <= 9.0.4
Ibm	Tivoli Federated Identity Manager	6.2.0
Ibm	Tivoli Federated Identity Manager	6.2.1
Ibm	Tivoli Federated Identity Manager	6.2.2

References

http://www.ibm.com/support/docview.wss?uid=swg22014160Vendor Advisory
http://www.ibm.com/support/docview.wss?uid=swg22014161Vendor Advisory
http://www.securityfocus.com/bid/103365Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040454Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040455Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/139754VDB Entry, Vendor Advisory
http://www.ibm.com/support/docview.wss?uid=swg22014160Vendor Advisory
http://www.ibm.com/support/docview.wss?uid=swg22014161Vendor Advisory
http://www.securityfocus.com/bid/103365Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040454Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040455Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/139754VDB Entry, Vendor Advisory

Timeline

Published: Mar 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1443?

How severe is CVE-2018-1443?

CVE-2018-1443 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1443?

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.

How Strix Helps

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Source: NVD / NIST