CVE-2018-1503

Name: CVE-2018-1503
Creator: NVD / NIST
Published: 2018-07-23T13:29:00.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.02%

Last modified Jun 17, 2026

CVE-2018-1503 is a vulnerability of currently unknown severity. IBM WebSphere MQ 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send invalid or malformed headers that could cause messages to no longer be transmitted via the affected channel. IBM X-Force ID: 141339.. EPSS estimates a 2.02% chance of exploitation in the next 30 days.

Description

IBM WebSphere MQ 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send invalid or malformed headers that could cause messages to no longer be transmitted via the affected channel. IBM X-Force ID: 141339.

Metrics

EPSS Probability

2.02%

78.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Ibm	Websphere Mq	>= 7.5.0.0, <= 7.5.0.8
Ibm	Websphere Mq	>= 8.0.0.0, <= 8.0.0.9
Ibm	Websphere Mq	>= 9.0.0.0, <= 9.0.0.3

References

http://www.ibm.com/support/docview.wss?uid=swg22015617Vendor Advisory
http://www.securityfocus.com/bid/104953Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041387Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/141339VDB Entry, Vendor Advisory
http://www.ibm.com/support/docview.wss?uid=swg22015617Vendor Advisory
http://www.securityfocus.com/bid/104953Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041387Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/141339VDB Entry, Vendor Advisory

Timeline

Published: Jul 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1503?

How severe is CVE-2018-1503?

Severity scoring for CVE-2018-1503 is pending analysis. The EPSS model estimates a 2.02% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1503?

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.

Are you affected by CVE-2018-1503?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST