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Security Bulletin: A security vulnerability has been identified in WebSphere Application Server shipped with WebSphere Remote Server (CVE-2021-20517)

Security Bulletin


Summary

WebSphere Application Server is shipped with WebSphere Remote Server. Information about a security vulnerability affecting WebSphere Application Server has been published in a security bulletin.

Vulnerability Details

CVEID:   CVE-2021-20517
DESCRIPTION:   IBM WebSphere Application Server Network Deployment 8.5 and 9.0 could allow a remote authenticated attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to read and delete arbitrary files on the system. IBM X-Force ID: 198435.
CVSS Base score: 6.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198435 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
IBM WebSphere Remote Server - Product Family9.0, 8.5

Remediation/Fixes

Refer to the following security bulletins for vulnerability details and information about fixes addressed by WebSphere Application Server which is shipped with WebSphere Remote Server.

Principal Product and Version(s)

Affected Supporting Product and Version

Affected Supporting Product Security Bulletin

WebSphere Remote Server 9.0, 8.5

WebSphere Application Server  9.0, 8.5

WebSphere Application Server ND is vulnerable to Directory Traversal vulnerability (CVE-2021-20517)

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

04 Jun 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

[{"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Product":{"code":"SSUNCX","label":"WebSphere Remote Server"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"},{"code":"PF010","label":"HP-UX"},{"code":"PF027","label":"Solaris"}],"Version":"9.0, 8.5","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
14 June 2021

Initial Publish date:
04 June 2021

UID

ibm16463339

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