CVE-2019-4720 : IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denia

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available memory. IBM X-Force ID: 172125.

Published 2020-01-31 16:15:11

Updated 2020-08-24 17:37:01

Source IBM Corporation

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2019-4720

IBM » Websphere Application Server
Versions from including (>=) 9.0.0.0 and up to, including, (<=) 9.0.5.2
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
Matching versions
IBM » Websphere Application Server » Hypervisor Edition
Versions from including (>=) 9.0.0.0 and up to, including, (<=) 9.0.5.2
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:hypervisor:*:*:*
Matching versions
IBM » Websphere Application Server » Liberty Edition
Versions before (<) 20.0.0.2
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*
Matching versions
IBM » Websphere Application Server
Versions from including (>=) 8.5.0.0 and up to, including, (<=) 8.5.5.17
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
Matching versions
IBM » Websphere Application Server
Versions from including (>=) 7.0.0.0 and up to, including, (<=) 7.0.0.45
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
Matching versions
IBM » Websphere Application Server
Versions from including (>=) 8.0.0.0 and up to, including, (<=) 8.0.0.15
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2019-4720

Top countries where our scanners detected CVE-2019-4720

Top open port discovered on systems with this issue 9080

IPs affected by CVE-2019-4720 1,110

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-4720!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-4720

EPSS FAQ

0.13%

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

~ 47 %

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

CVSS scores for CVE-2019-4720

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

CWE ids for CVE-2019-4720

CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-4720

https://exchange.xforce.ibmcloud.com/vulnerabilities/172125

IBM WebSphere Application Server denial of service CVE-2019-4720 Vulnerability Report
VDB Entry;Vendor Advisory
https://www.ibm.com/support/pages/node/1285372

Security Bulletin: WebSphere Application Server is vulnerable to a denial of service (CVE-2019-4720)
Vendor Advisory