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CVE-2023-40598

8.5 · HIGH

In Splunk Enterprise versions below 8.2.12, 9.0.6, and 9.1.1, an attacker can create an external lookup that calls a legacy internal function.

Published Aug 30, 2023CWE-77EPSS 0.85%

Overview

CVE-2023-40598 is a high-severity vulnerability. It was published on August 30, 2023 and has a CVSS 3.1 base score of 8.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In Splunk Enterprise versions below 8.2.12, 9.0.6, and 9.1.1, an attacker can create an external lookup that calls a legacy internal function. The attacker can use this internal function to insert code into the Splunk platform installation directory. From there, a user can execute arbitrary code on the Splunk platform Instance.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refadvisory.splunk.com/advisories/SVD-2023-0807Refresearch.splunk.com/application/ee69374a-d27e-4136-adac-956a96ff60fd/Refadvisory.splunk.com/advisories/SVD-2023-0807Refresearch.splunk.com/application/ee69374a-d27e-4136-adac-956a96ff60fd/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-40598?

CVE-2023-40598 is a high-severity vulnerability. It was published on August 30, 2023 and has a CVSS 3.1 base score of 8.5 (HIGH).

How severe is CVE-2023-40598?

This vulnerability has a CVSS 3.1 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-40598?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-40598?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-40598 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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