What’s Vulnerable › Vulnerabilities

CVE-2022-43563: Risky command safeguards bypass via rex search command field names in Splunk Enterprise

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-11-04 · updated 2026-06-17
• Weakness: CWE-20

Description

In Splunk Enterprise versions below 8.2.9 and 8.1.12, the way that the rex search command handles field names lets an attacker bypass SPL safeguards for risky commands https://docs.splunk.com/Documentation/SplunkCloud/latest/Security/SPLsafeguards . The vulnerability requires the attacker to phish the victim by tricking them into initiating a request within their browser. The attacker cannot exploit the vulnerability at will.

Affected products

• Splunk Enterprise: from 8.1.0 before 8.1.12; from 8.2.0 before 8.2.9 — fixed in 8.1.12, 8.2.9
• Splunk Cloud Platform: before 9.0.2203 — fixed in 9.0.2203

How to fix

Upgrade to a fixed version: Splunk Enterprise 8.1.12, 8.2.9; Splunk Cloud Platform 9.0.2203. Check the vendor advisory for mitigations.

References

• https://www.splunk.com/en_us/product-security/announcements/svd-2022-1103.html
• https://www.splunk.com/en_us/product-security/announcements/svd-2022-1103.html

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