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CVE-2026-44331

CVSS 8.1 · High EPSS 0.03% · P8
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I. Basic Information for CVE-2026-44331

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In ProFTPD through 1.3.9a before 7666224, a SQL injection vulnerability in sqltab_fetch_clients_cb() in contrib/mod_wrap2_sql.c allows a remote attacker to inject arbitrary SQL commands via a crafted domain name that is accessed in a reverse DNS lookup. When "UseReverseDNS on" is enabled, the attacker-supplied hostname is passed unescaped into SQL queries. The character restrictions of DNS names may affect exploitability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
ProFTPD SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ProFTPD是ProFTPD开源的一套可配置性强的开放源代码的FTP服务器软件。 ProFTPD 1.3.9a之前版本存在SQL注入漏洞，该漏洞源于contrib/mod_wrap2_sql.c中sqltab_fetch_clients_cb()存在SQL注入，当启用UseReverseDNS on时，攻击者提供的域名在反向DNS查找中未经转义传递到SQL查询，可能导致远程攻击者通过特制域名注入任意SQL命令。
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

VendorProductAffected VersionsCPESubscribe
ProFTPDProFTPD 0 ~ 1.3.9a -

II. Public POCs for CVE-2026-44331

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7374 chars
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III. Intelligence Information for CVE-2026-44331

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IV. Related Vulnerabilities

Same product: ProFTPD
Same vendor: ProFTPD
Same weakness: CWE-89

V. Comments for CVE-2026-44331

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