Vulnerability Details : 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.
Published 2022-05-06 17:15:08
Updated 2022-08-01 12:13:11
Source Splunk Inc.
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Exploit prediction scoring system (EPSS) score for CVE-2021-26253

EPSS FAQ
0.20%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-26253

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST
8.1
 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.2
5.9
 NIST
8.1
 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.2
5.9
 Splunk Inc.

CWE ids for CVE-2021-26253

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: prodsec@splunk.com (Secondary)

References for CVE-2021-26253

Products affected by CVE-2021-26253

  • Splunk » Splunk » Enterprise Edition
    Versions from including (>=) 8.1.0 and before (<) 8.1.6
    cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
    Matching versions
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