CVE-2023-3997 Unauthenticated Log Injection In Splunk SOAR
Attackers can inject ANSI characters into logs, leading to code execution when users view the poisoned logs in a terminal.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-3997?
CVE-2023-3997 is a high-severity code injection vulnerability in Splunk SOAR (Cloud), published on 31 Jul 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Splunk SOAR versions lower than 6.1.0 are indirectly affected by a potential vulnerability accessed through the user’s terminal. A third party can send Splunk SOAR a maliciously crafted web request containing special ANSI characters to cause log file poisoning. When a terminal user attempts to view the poisoned logs, this can tamper with the terminal and cause possible malicious code execution from the terminal user’s action.
Which versions are affected by CVE-2023-3997?
It affects 1 product.
Products include Splunk Soar.
How do I fix CVE-2023-3997?
No fix has been published for CVE-2023-3997 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-3997 being exploited?
There is no known exploitation of CVE-2023-3997 in the wild and no public exploit code.
Other vulnerabilities in Splunk SOAR (Cloud)
- CVE-2026-76356 Authentication Bypass through IP Address Spoofing in the Automation Broker in Splunk SOAR
- CVE-2026-76357 Remote Code Execution (RCE) through Path Traversal in the REST API in Splunk SOAR
- CVE-2026-76362 Improper Certificate Validation through CyberArk Vault Privileged Access Manager in Splunk SOAR
- CVE-2026-76358 Path Traversal through App Installation Tar Extraction in Splunk SOAR
- CVE-2026-76359 Path Traversal through Universal Forwarder Installer Archive Extraction in Splunk SOAR
Sources
Also known as GHSA-48g5-4ph9-jjmf.