Cyber Resilience

CVE-2023-32706

High

Published: 01 June 2023

Published
01 June 2023
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS Score 0.0029 52.5th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-32706 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Splunk Splunk. Its CVSS base score is 7.7 (High).

Operationally, ranked in the top 47.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

On Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, an unauthenticated attacker can send specially-crafted messages to the XML parser within SAML authentication to cause a denial of service in the Splunk daemon.

CWE(s)
CWE-611

Related Threats

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

Affected Assets

splunk
splunk
8.1.0 — 8.1.14 · 8.2.0 — 8.2.11 · 9.0.0 — 9.0.5
splunk
splunk cloud platform
≤ 9.0.2303.100

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.

CA-8 Penetration Testing
addresses: CWE-611

Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.

SI-4 System Monitoring
addresses: CWE-611

Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.

References