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CVE-2023-32708

HTTP Response Splitting via the ‘rest’ SPL Command

HIGH
8.8
CVSS Score
Published: June 1, 2023 at 04:34 PM UTC
Updated: June 17, 2026 at 05:59 AM UTC
2 products affected across 1 vendorSplunkSplunk Cloud Platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%

Description

In Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, and Splunk Cloud Platform versions below 9.0.2303.100, a low-privileged user can trigger an HTTP response splitting vulnerability with the ‘rest’ SPL command that lets them potentially access other REST endpoints in the system arbitrarily.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Splunk· Splunk
95%
8.1 ≤ v < 8.1.148.1.0 ≤ v < 8.1.148.2 ≤ v < 8.2.118.2.0 ≤ v < 8.2.119.0 ≤ v < 9.0.59.0.0 ≤ v < 9.0.58.18.29.0
Affected range stops below 8.1.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.2.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.5, so it looks safe — our inference, not a vendor statement
Splunk Cloud Platform· Splunk
95%
v < 9.0.2303.100
Affected range stops below 9.0.2303.100, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://advisory.splunk.com/advisories/SVD-2023-0603
Vendor Advisory
Source: [email protected]
https://research.splunk.com/application/e615a0e1-a1b2-4196-9865-8aa646e1708c/

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-113CWE-436

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