UpHeron
All vulnerabilities

Servers and applications

CVE-2021-26253

A potential vulnerability in Splunk Enterprise's implementation of DUO MFA allows for bypassing the MFA verification in Splunk Enterprise versions before 8.1.6. The potential vulnerability impacts Splunk Enterprise instances configured to use DUO MFA and does not impact or affect a DUO product or service.

Severity
High 8.1
Published
6 May 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.1.6
Sources
NVD

Affected software

SoftwareAffected versions
Splunk EnterpriseServers and applications · cpe:a:splunk:splunk
  • From 8.1.0 before 8.1.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-26253
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-26253