IBM WebSphere MQ 8.0 and 9.0 could allow a remote attacker to obtain sensitive information, caused by the failure to properly validate the…

published 2018-06-27 8y ago modified 2026-06-17 4mo ago also EUVD-2018-12122

cvss: 5.9; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

IBM WebSphere MQ 8.0 and 9.0 could allow a remote attacker to obtain sensitive information, caused by the failure to properly validate the SSL certificate. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 142598.

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Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.9	CVSS:3.0/A:N/AC:H/AV:N/C:H/I:N/PR:N/S:U/UI:N/E:U/RC:C/RL:O
CNA	3.0	5.9	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.0	5.9	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

IBM MQ

Classification

Weakness

CWE-295 Improper Certificate Validation

References

ibm.com /support/docview.wss?uid=swg22016346
vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/142598
vdb-entry, third-party-advisory

Sources

CVE List CVE-2018-1543
NVD CVE-2018-1543

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