CVE-2021-31559 Vulnerability Details

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CVE-2021-31559 Metadata Quick Info

CVE Published: 06/05/2022 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: Splunk | Vendor: Splunk | Product: Splunk Enterprise
Status : PUBLISHED

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CVE-2021-31559 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.

Metrics

CVSS Version: 3.1 | Base Score: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* NONE
    Integrity Impact (I)* HIGH
    Availability Impact (A)* NONE

Weakness Enumeration (CWE)

CWE-ID: CWE-288
CWE Name: CWE-288
Source: Splunk

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).