AUGUST 4, 2026
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Case File

CVE-2021-31559

HIGH · CVSS 7.5 EPSS 0.86%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-05-06 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. See the original NVD description below for full technical details.

CVE
CVE-2021-31559
Severity
HIGH
CVSS
7.5
EPSS
0.86%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)