CVE-2019-4055 : IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.

IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable to a denial of service attack within the TLS key renegotiation function. IBM X-Force ID: 156564.

Published 2019-04-19 17:29:02

Updated 2022-01-01 20:16:30

Source IBM Corporation

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2019-4055

IBM » Mq Appliance » Continuous Delivery Edition
Versions from including (>=) 9.1.0 and up to, including, (<=) 9.1.1
cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:*
Matching versions
IBM » Mq Appliance » LTS Edition
Versions from including (>=) 9.1.0.0 and up to, including, (<=) 9.1.0.1
cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:*
Matching versions
IBM » Mq Appliance
Versions from including (>=) 8.0.0.0 and up to, including, (<=) 8.0.0.10
cpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*
Matching versions
IBM » MQ » Continuous Delivery Edition
Versions from including (>=) 9.1.0 and up to, including, (<=) 9.1.1
cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:*
Matching versions
IBM » MQ » LTS Edition
Versions from including (>=) 9.0.0.0 and up to, including, (<=) 9.0.0.5
cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*
Matching versions
IBM » MQ » LTS Edition
Versions from including (>=) 9.1.0.0 and up to, including, (<=) 9.1.0.1
cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*
Matching versions
IBM » MQ
Versions from including (>=) 8.0.0.0 and up to, including, (<=) 8.0.0.10
cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-4055

EPSS FAQ

0.23%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 61 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-4055

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	IBM Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2019-4055

https://www.ibm.com/support/docview.wss?uid=ibm10870484

IBM Security Bulletin: IBM MQ and IBM MQ Appliance are vulnerable to a denial of service attack within the TLS key renegotiation functions (CVE-2019-4055)
Patch;Vendor Advisory
http://www.securityfocus.com/bid/108027

IBM MQ and MQ Appliance CVE-2019-4055 Denial of Service Vulnerability
Third Party Advisory;VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/156564

IBM MQ denial of service CVE-2019-4055 Vulnerability Report
VDB Entry;Vendor Advisory

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Vulnerability Details : CVE-2019-4055

Products affected by CVE-2019-4055

Exploit prediction scoring system (EPSS) score for CVE-2019-4055

CVSS scores for CVE-2019-4055

References for CVE-2019-4055