CVE-2018-1503 json
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 m…
published 2018-07-23 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12082
- cvss
- 4.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.99% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.3 | CVSS:3.0/A:L/AC:L/AV:N/C:N/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O |
| CNA | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected products
- IBM WebSphere MQ
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
ibm.com
/support/docview.wss?uid=swg22015617
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/141339
vdb-entry, vendor-advisory
-
securityfocus.com
/bid/104953
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041387
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-1503
- NVD CVE-2018-1503
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