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Servers and applications

CVE-2021-20354

IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 194883.

Severity
High 7.5
Published
18 Feb 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
IBM WebSphere Application ServerServers and applications · cpe:a:ibm:websphere_application_server
  • From 8.0.0.0 up to 8.0.0.15
  • From 8.5.0.0 up to 8.5.5.19
  • From 9.0.0.0 up to 9.0.5.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20354
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20354