CVE-2021-20480 : IBM WebSphere Application Server 7.0, 8.0, and 8.5 is vulnerable to server-side

IBM WebSphere Application Server 7.0, 8.0, and 8.5 is vulnerable to server-side request forgery (SSRF). By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to obtain sensitive data. IBM X-Force ID: 197502.

Published 2021-04-08 13:15:14

Updated 2021-04-13 03:57:59

Source IBM Corporation

View at NVD, CVE.org

Vulnerability category: Server-side request forgery (SSRF)

Products affected by CVE-2021-20480

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
When used together with: HP » Hp-ux » Version: N/A
When used together with: IBM » AIX » Version: N/A
When used together with: IBM » I » Version: N/A
When used together with: IBM » Z/os » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
When used together with: Oracle » Solaris » Version: N/A
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
When used together with: HP » Hp-ux » Version: N/A
When used together with: IBM » AIX » Version: N/A
When used together with: IBM » I » Version: N/A
When used together with: IBM » Z/os » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
When used together with: Oracle » Solaris » Version: N/A
IBM » Websphere Application Server
Versions from including (>=) 8.5.0.0 and up to, including, (<=) 8.5.5.19
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
Matching versions
When used together with: HP » Hp-ux » Version: N/A
When used together with: IBM » AIX » Version: N/A
When used together with: IBM » I » Version: N/A
When used together with: IBM » Z/os » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
When used together with: Oracle » Solaris » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-20480

EPSS FAQ

0.16%

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

~ 53 %

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

CVSS scores for CVE-2021-20480

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:P/I:N/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
4.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	2.8	1.4	IBM Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-20480

CWE-918 Server-Side Request Forgery (SSRF)

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-20480

https://www.ibm.com/support/pages/node/6441063

Security Bulletin: WebSphere Application Server is vulnerable to a Server-side Request Forgery vulnerability (CVE-2021-20480)
Patch;Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/197502

IBM WebSphere Application Server server-side request forgery CVE-2021-20480 Vulnerability Report
VDB Entry;Vendor Advisory

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Vulnerability Details : CVE-2021-20480

Products affected by CVE-2021-20480

Exploit prediction scoring system (EPSS) score for CVE-2021-20480

CVSS scores for CVE-2021-20480

CWE ids for CVE-2021-20480

References for CVE-2021-20480