CVE-2022-31138— OS Command Injection in mailcow
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I. Basic Information for CVE-2022-31138
Vulnerability Information
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Vulnerability Title
OS Command Injection in mailcow
Source: NVD (National Vulnerability Database)
Vulnerability Description
mailcow is a mailserver suite. Prior to mailcow-dockerized version 2022-06a, an extended privilege vulnerability can be exploited by manipulating the custom parameters regexmess, skipmess, regexflag, delete2foldersonly, delete2foldersbutnot, regextrans2, pipemess, or maxlinelengthcmd to execute arbitrary code. Users should update their mailcow instances with the `update.sh` script in the mailcow root directory to 2022-06a or newer to receive a patch for this issue. As a temporary workaround, the Syncjob ACL can be removed from all mailbox users, preventing changes to those settings.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
mailcow 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mailcow是一个邮件服务器套件。 mailcow 2022-06a之前版本存在操作系统命令注入漏洞，该漏洞源于可以通过操纵自定义参数 regexmess、skipmess、regexflag、delete2foldersonly、delete2foldersbutnot、regextrans2、pipemess 或 maxlinelengthcmd 来利用扩展权限漏洞来执行任意代码。
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 |
|---|---|---|---|---|
| mailcow | mailcow-dockerized | < 2022-06a | - |
II. Public POCs for CVE-2022-31138
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Mailcow CVE-2022-31138 | https://github.com/ly1g3/Mailcow-CVE-2022-31138 | POC Details |
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- https://github.com/ly1g3/Mailcow-CVE-2022-31138x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-31138
IV. Related Vulnerabilities
Same product: mailcow-dockerized
- CVE-2026-40878
mailcow-dockerized Login Page has Reflected Parameter Inject - CVE-2026-40875
mailcow: dockerized vulnerable to stored XSS in user login h - CVE-2026-40874
mailcow: dockerized missing authorization on Forwarding Host - CVE-2026-40873
mailcow: dockerized vulnerable to stored XSS in Quarantine a - CVE-2026-40872
mailcow: dockerized vulnerable to stored XSS in autodiscover
Same vendor: mailcow
- CVE-2026-40878
mailcow-dockerized Login Page has Reflected Parameter Inject - CVE-2026-40875
mailcow: dockerized vulnerable to stored XSS in user login h - CVE-2026-40874
mailcow: dockerized missing authorization on Forwarding Host - CVE-2026-40873
mailcow: dockerized vulnerable to stored XSS in Quarantine a - CVE-2026-40872
mailcow: dockerized vulnerable to stored XSS in autodiscover
Same weakness: CWE-78
- CVE-2026-8273
D-Link DNS-320 system_mgr.cgi cgi_merge_user os command inje - CVE-2026-8272
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D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command inje - CVE-2026-8265
Tenda AC6 httpd getLogFile get_log_file os command injection - CVE-2026-8264
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