MEDIUM
IBM WebSphere MQ 8.0 through 9.1 is vulnerable to a error with MQTT topic string publishing that can cause a denial of service attack
Published Nov 9, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.30%
Description
IBM WebSphere MQ 8.0 through 9.1 is vulnerable to a error with MQTT topic string publishing that can cause a denial of service attack. IBM X-Force ID: 145456.
Affected products
-
- Version 8.0.0.0StatusaffectedConstraints-
- Version 8.0.0.1StatusaffectedConstraints-
- Version 8.0.0.10StatusaffectedConstraints-
- Version 8.0.0.2StatusaffectedConstraints-
- Version 8.0.0.3StatusaffectedConstraints-
- Version 8.0.0.4StatusaffectedConstraints-
- Version 8.0.0.5StatusaffectedConstraints-
- Version 8.0.0.6StatusaffectedConstraints-
- Version 8.0.0.7StatusaffectedConstraints-
- Version 8.0.0.8StatusaffectedConstraints-
- Version 8.0.0.9StatusaffectedConstraints-
- Version 9.0.0.0StatusaffectedConstraints-
- Version 9.0.0.1StatusaffectedConstraints-
- Version 9.0.0.2StatusaffectedConstraints-
- Version 9.0.0.3StatusaffectedConstraints-
- Version 9.0.0.4StatusaffectedConstraints-
- Version 9.0.0.5StatusaffectedConstraints-
- Version 9.0.1StatusaffectedConstraints-
- Version 9.0.2StatusaffectedConstraints-
- Version 9.0.3StatusaffectedConstraints-
- Version 9.0.4StatusaffectedConstraints-
- Version 9.0.5StatusaffectedConstraints-
- Version 9.1.0.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IBM | MQ | n/a |
|
OR
- ≥ 8.0.0.0 · ≤ 8.0.0.10
- ≥ 9.0.0.0 · ≤ 9.0.0.5
- ≥ 9.0.1 · ≤ 9.0.5
- 9.1.0.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (CVE.org) ▾
5.3 MEDIUM CVE.org
CVSS:3.0/A:H/AC:H/AV:N/C:N/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O
Availability Impact High
Attack Complexity High
Attack Vector Network
Confidentiality Impact None
Integrity Impact None
Privileges Required Low
Scope Unchanged
User Interaction None
Exploit Maturity Unreported
4.0 MEDIUM NVD
AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.30% 0.01296
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01296
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.30% (0.01296) | 69.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.27% (0.01271) | 65.92th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.36% (0.00356) | 55.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00066) | 31.09th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.07% (0.00068) | 29.79th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.06% (0.00057) | 23.57th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.06% (0.00057) | 21.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00076) | 30.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.17% (0.06173) | 81.37th | v1 |
| Jan 6, 2022 | 6.17% (0.06173) | 81.17th | v1 |
| Sep 1, 2021 | 6.17% (0.06173) | 89.58th | v1 |
| Apr 14, 2021 | 6.17% (0.06173) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (2)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/145456 vdb-entryx_refsource_XFVDB EntryVendor Advisory
- https://www.ibm.com/support/docview.wss?uid=ibm10734297 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://exchange.xforce.ibmcloud.com/vulnerabilities/145456 | vdb-entryx_refsource_XFVDB EntryVendor Advisory | |
| https://www.ibm.com/support/docview.wss?uid=ibm10734297 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner ibm
Published Nov 9, 2018
Updated Sep 16, 2024
Reserved Dec 13, 2017
Link CVE-2018-1684
CISA Vulnrichment
Updated n/a