Home/CVE/A potential vulnerability in Splunk Enterprise's implementation of DUO MFA allows for bypassing the MFA verification in
CVE

CVE-2021-26253

A potential vulnerability in Splunk Enterprise's implementation of DUO MFA allows for bypassing the MFA verification in

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.

HIGH · CVSS 8.1 EPSS 0.00204
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

1
splunk>= 8.1.0 and < 8.1.6
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · prodsec@splunk.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 May 2022 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.htmlVendor Advisory
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