CVE-2020-13938— Improper Handling of Insufficient Privileges
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I. Basic Information for CVE-2020-13938
Vulnerability Information
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Vulnerability Title
Improper Handling of Insufficient Privileges
Source: NVD (National Vulnerability Database)
Vulnerability Description
Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache HTTP Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server 2.4.0 to 2.4.46存在安全漏洞，该漏洞源于权限管理不当。Windows系统中的本地用户可以停止Apache HTTP服务器服务。该漏洞允许本地用户停止服务。
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 |
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | 2.4.46 | - |
II. Public POCs for CVE-2020-13938
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://kc.mcafee.com/corporate/index?page=content&id=SB10379x_refsource_CONFIRM
- http://httpd.apache.org/security/vulnerabilities_24.htmlx_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210702-0001/x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2020-13938
Same Patch Batch · Apache Software Foundation · 2021-06-10 · 7 CVEs total
| CVE-2021-30641 | Unexpected URL matching with 'MergeSlashes OFF' | |
| CVE-2021-26691 | Apache HTTP Server mod_session response handling heap overflow | |
| CVE-2021-26690 | mod_session NULL pointer dereference | |
| CVE-2020-13950 | mod_proxy_http NULL pointer dereference | |
| CVE-2020-35452 | mod_auth_digest possible stack overflow by one nul byte | |
| CVE-2019-17567 | mod_proxy_wstunnel tunneling of non Upgraded connections |
IV. Related Vulnerabilities
Same product: Apache HTTP Server
- CVE-2026-28780
Apache HTTP Server: buffer overflow in mod_proxy_ajp via aj - CVE-2026-29168
Apache HTTP Server: mod_md unrestricted OCSP response - CVE-2026-29169
Apache HTTP Server: mod_dav_lock indirect lock crash - CVE-2026-23918
Apache HTTP Server: http2: double free and possible RCE on e - CVE-2026-33006
Apache HTTP Server: mod_auth_digest timing attack
Same vendor: Apache Software Foundation
- CVE-2026-39816
Apache NiFi: Missing Execute Code Required Permission on Tin - CVE-2026-25199
Apache CloudStack: Proxmox Extension Allows Unauthorized Cro - CVE-2026-25077
Apache CloudStack: Unauthenticated Command Injection in Dire - CVE-2025-69233
Apache CloudStack: Domain/account resources limits not honor - CVE-2025-66467
Apache CloudStack: MinIO policy remains intact on bucket del
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