CVE-2023-22943— Modular Input REST API Requests Connect via HTTP after Certificate Validation Failure in Splunk Add-on Builder and Splunk CloudConnect SDK
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I. Basic Information for CVE-2023-22943
Vulnerability Information
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Vulnerability Title
Modular Input REST API Requests Connect via HTTP after Certificate Validation Failure in Splunk Add-on Builder and Splunk CloudConnect SDK
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
未能安全地进行程序失效(Failing Open)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Splunk 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk是美国Splunk公司的一套数据收集分析软件。该软件主要用于收集、索引和分析及其所产生的数据，包括所有IT系统和基础结构（物理、虚拟机和云）生成的数据。 Splunk Add-on Builder (AoB) 4.1.2之前版本、Splunk CloudConnect SDK 3.1.3之前版本存在信任管理问题漏洞，该漏洞源于第三方API的请求在连接失败后错误地恢复为使用HTTP进行连接。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Splunk | Splunk Add-on Builder | 4.1 ~ 4.1.2 | - | |
| Splunk | Splunk CloudConnect SDK | 3.1 ~ 3.1.3 | - |
II. Public POCs for CVE-2023-22943
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Splunk · 2023-02-14 · 13 CVEs total
| CVE-2023-22935 | 8.1 HIGH | SPL Command Safeguards Bypass via the ‘display.page.search.patterns.sensitivity’ Search Pa |
| CVE-2023-22939 | 8.1 HIGH | SPL Command Safeguards Bypass via the ‘map’ SPL Command in Splunk Enterprise |
| CVE-2023-22932 | 8.0 HIGH | Persistent Cross-Site Scripting through a Base64-encoded Image in a View in Splunk Enterpr |
| CVE-2023-22933 | 8.0 HIGH | Persistent Cross-Site Scripting through the ‘module’ Tag in a View in Splunk Enterprise |
| CVE-2023-22934 | 7.3 HIGH | SPL Command Safeguards Bypass via the ‘pivot’ SPL Command in Splunk Enterprise |
| CVE-2023-22941 | 6.5 MEDIUM | Improperly Formatted ‘INGEST_EVAL’ Parameter Crashes Splunk Daemon |
| CVE-2023-22936 | 6.3 MEDIUM | Authenticated Blind Server Side Request Forgery via the ‘search_listener’ Search Parameter |
| CVE-2023-22940 | 6.3 MEDIUM | SPL Command Safeguards Bypass via the ‘collect’ SPL Command Aliases in Splunk Enterprise |
| CVE-2023-22942 | 5.4 MEDIUM | Cross-Site Request Forgery in the ‘ssg/kvstore_client’ REST Endpoint in Splunk Enterprise |
| CVE-2023-22931 | 4.3 MEDIUM | ‘createrss’ External Search Command Overwrites Existing RSS Feeds in Splunk Enterprise |
| CVE-2023-22937 | 4.3 MEDIUM | Unnecessary File Extensions Allowed by Lookup Table Uploads in Splunk Enterprise |
| CVE-2023-22938 | 4.3 MEDIUM | Permissions Validation Failure in the ‘sendemail’ REST API Endpoint in Splunk Enterprise |
IV. Related Vulnerabilities
Same vendor: Splunk
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Sensitive Information Disclosure in ''_internal'' index in S - CVE-2026-20203
Improper Access Control in Data Model Acceleration in Splunk - CVE-2026-20204
Improper Handling and Insufficient Isolation of Specific Tem - CVE-2026-20202
Improper Input Validation during User Account Creation in Sp - CVE-2026-20163
Remote Command Execution (RCE) through the '/splunkd/__uploa
Same weakness: CWE-636
- CVE-2026-42423
OpenClaw < 2026.4.8 - strictInlineEval Approval Boundary Byp - CVE-2026-41377
OpenClaw < 2026.3.31 - Fail-Open Security Scan Bypass in Plu - CVE-2026-41334
OpenClaw < 2026.3.31 - Decompression Bomb Denial of Service - CVE-2026-40525
OpenViking < 0.3.9 Authentication Bypass via VikingBot OpenA - CVE-2026-35205
Helm's plugin verification fails open when .prov is missing,
V. Comments for CVE-2023-22943
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