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Splunk — Vulnerabilities & Security Advisories 306

Browse all 306 CVE security advisories affecting Splunk. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Splunk operates primarily as a data analytics platform designed for searching, monitoring, and analyzing machine-generated big data via a web interface. Its architecture, which integrates complex data ingestion pipelines with extensive third-party app ecosystems, has historically exposed it to diverse vulnerability classes. Recorded Common Vulnerabilities and Exposures (CVEs) frequently involve remote code execution, cross-site scripting, and privilege escalation flaws, often stemming from improper input validation or insecure default configurations in its web components. While no single catastrophic breach defines its history, the sheer volume of disclosed flaws highlights systemic risks in its expansive feature set. Security practitioners must rigorously patch these instances, as the platform’s central role in enterprise observability makes unmitigated vulnerabilities particularly impactful. The current count of 155 CVEs underscores the necessity for continuous configuration auditing and strict access controls to maintain integrity within organizations relying on this infrastructure.

Top products by Splunk: Splunk Enterprise Splunk SOAR Splunk AI Toolkit Splunk Connect for Kafka Splunk Add-on Builder AD LDAP app for Splunk SOAR Splunk MCP Server Splunk App for Lookup File Editing Splunk Enterprise Security Splunk Enterprise Security (ES) Cisco Talos Intelligence for Enterprise Security Cloud Cisco Secure Malware Analytics app for Splunk SOAR MS Graph for Active Directory app for Splunk SOAR RSA SecurID Authentication Manager app for Splunk SOAR Splunk On-Call (VictorOps) Splunk Attack Analyzer Connector for Splunk SOAR Venafi app for Splunk SOAR Phantom app for Splunk SOAR Splunk MCP Server app Nmap Scanner Zoom app for Splunk SOAR Cisco Webex app for Splunk SOAR FireAMP Azure AD Graph app for Splunk SOAR AWS IAM app for Splunk SOAR CrowdStrike OAuth API app for Splunk SOAR Splunk Add-on for Palo Alto Networks Splunk/UniversalForwarder for Windows Splunk Supporting Add-on for Active Directory Splunk App for SOAR
CVE ID Title CVSS Severity Published
CVE-2022-26070 Error message discloses internal path — Splunk Enterprise CWE-200 4.3 Medium 2022-05-06
CVE-2021-42743 Local privilege escalation via a default path in Splunk Enterprise Windows — Splunk Enterprise CWE-427 8.8 High 2022-05-06
CVE-2021-33845 Username enumeration through lockout message in REST API — Splunk Enterprise CWE-203 5.3 Medium 2022-05-06
CVE-2021-31559 S2S TcpToken authentication bypass — Splunk Enterprise CWE-288 7.5 High 2022-05-06
CVE-2021-26253 Bypass of Splunk Enterprise's implementation of DUO MFA — Splunk Enterprise CWE-287 8.1 High 2022-05-06
CVE-2021-3422 Indexer denial-of-service via malformed S2S request — Splunk Enterprise CWE-125 7.5 High 2022-03-25

This page lists every published CVE security advisory associated with Splunk. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.