CVE-2023-40598

highpriority · track · 35OT risk · elevatedEPSS 0.009 · 58 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.85% (58th) EPSS

CVSS 8.8 · high

Is it mine?

35 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.5highAV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · prodsec@splunk.comexploitability 1.8 · impact 6

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-306USCWE-77USCWE-77USCWE-78USCWE-94US

affected products (35)

Products and version ranges known to be affected.

Atlassian Confluence <10.0.2all versionscert_bundDE
Atlassian Confluence <10.1.1all versionscert_bundDE
Atlassian Confluence <8.5.25all versionscert_bundDE
Atlassian Confluence <9.2.7all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Splunk Splunk Enterpriseall versionscert_bundDEcpe:/a:splunk:splunk:-
Splunk Splunk Enterprise <8.2.12all versionscert_bundDE
Splunk Splunk Enterprise <9.0.6all versionscert_bundDE
Splunk Splunk Enterprise <9.0.9all versionscert_bundDE
Splunk Splunk Enterprise <9.1.1all versionscert_bundDE
Splunk Splunk Enterprise <9.1.4all versionscert_bundDE
Splunk Splunk Enterprise <9.2.1all versionscert_bundDE
Atlassian Confluence< 10.0.2cert_bundDE
Atlassian Confluence< 10.1.1cert_bundDE
Atlassian Confluence< 8.5.25cert_bundDE
Atlassian Confluence< 9.2.7cert_bundDE
Splunk Splunk Enterprise< 8.2.12cert_bundDE
Splunk Splunk Enterprise< 9.0.6cert_bundDE
Splunk Splunk Enterprise< 9.0.9cert_bundDE

showing 20 of 35

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2229Splunk Splunk Enterprise: Mehrere SchwachstellenDeutsch2023-08-30csaf · cert_bundDE
Ein entfernter, authentifizierter Angreifer kann mehrere Schwachstellen in Splunk Splunk Enterprise ausnutzen, um beliebigen Code auszuführen, einen 'Denial of Service'-Zustand zu verursachen, seine Privilegien zu erweitern und weitere, nicht spezifizierte Auswirkungen zu verursachen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2023-08-30modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

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