// For flags

CVE-2023-22943

Modular Input REST API Requests Connect via HTTP after Certificate Validation Failure in Splunk Add-on Builder and Splunk CloudConnect SDK

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In Splunk Add-on Builder (AoB) versions below 4.1.2 and the Splunk CloudConnect SDK versions below 3.1.3, requests to third-party APIs through the REST API Modular Input incorrectly revert to using HTTP to connect after a failure to connect over HTTPS occurs.

*Credits: Chris Green
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-01-10 CVE Reserved
  • 2023-02-14 CVE Published
  • 2025-02-28 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-295: Improper Certificate Validation
  • CWE-636: Not Failing Securely ('Failing Open')
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://advisory.splunk.com/advisories/SVD-2023-0213 2024-04-10
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Splunk
Search vendor "Splunk"
 Add-on Builder
Search vendor "Splunk" for product "Add-on Builder"
 >= 4.1.0 < 4.1.2
Search vendor "Splunk" for product "Add-on Builder" and version " >= 4.1.0 < 4.1.2"
-
Affected
Splunk
Search vendor "Splunk"
 Cloudconnect Software Development Kit
Search vendor "Splunk" for product "Cloudconnect Software Development Kit"
 >= 3.1.0 < 3.1.3
Search vendor "Splunk" for product "Cloudconnect Software Development Kit" and version " >= 3.1.0 < 3.1.3"
-
Affected