Security Bulletin: WebSphere Application Server ND, which is included in IBM Cloud Pak for Applications, is vulnerable to Directory Traversal vulnerability (CVE-2021-20517)

Security Bulletin

Summary

WebSphere Application Server ND, which is included in IBM Cloud Pak for Applications, is vulnerable to Directory Traversal vulnerability (CVE-2021-20517)

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) and Version(s)	Affected Supportive Product(s) and Version(s)
IBM Cloud Pak for Applications, all	WebSphere Application Server ND 9.0 8.5

Remediation/Fixes

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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Acknowledgement

Change History

02 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

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Document Information

Modified date:
30 July 2021

Initial Publish date:
02 June 2021

UID

ibm16471321

Tips

Security Bulletin: WebSphere Application Server ND, which is included in IBM Cloud Pak for Applications, is vulnerable to Directory Traversal vulnerability (CVE-2021-20517)