Cyber Resilience

CVE-2023-3997

High

Published: 31 July 2023

Published
31 July 2023
Modified
10 December 2024
KEV Added
Patch
CVSS Score v3.1 8.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0008 22.6th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-3997 is a high-severity Improper Output Neutralization for Logs (CWE-117) vulnerability in Splunk Soar. Its CVSS base score is 8.6 (High).

Operationally, ranked at the 22.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

splunk
soar
≤ 6.1.0 · ≤ 6.1.0.131

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-116 CWE-117

Validating that output matches expected content directly mitigates failures to properly encode or escape data for its destination context.

addresses: CWE-117

Policy and procedures require sanitization and neutralization when generating audit logs to avoid injection issues.

References