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CVE-2021-31559

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CVE-2021-31559

Published: May 6, 2022

Modified: Aug 3, 2024

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders.

VendorProductVersions

Splunk

Splunk Enterprise

affected
8.2 version(s) before 8.2.1
affected
Version(s) before 8.1.5

Weaknesses (CWE)

CWE-288

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

References

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