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CVE-2019-25686— Core FTP 2.0 build 653 PBSZ Unauthenticated Denial of Service

Quick assessment

Affected
Coreftp Core FTP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Core FTP是一款文件传输服务器。 Core FTP 2.0 build 653版本存在访问控制错误漏洞，该漏洞源于PBSZ命令存在拒绝服务漏洞，可能导致未经验证攻击者使服务崩溃。

CVSS 7.5 · High EPSS 0.47% · P39
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I. Basic Information for CVE-2019-25686

Vulnerability Information
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Vulnerability Title
Core FTP 2.0 build 653 PBSZ Unauthenticated Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
Core FTP 2.0 build 653 contains a denial of service vulnerability in the PBSZ command that allows unauthenticated attackers to crash the service by sending a malformed command with an oversized buffer. Attackers can send a PBSZ command with a payload exceeding 211 bytes to trigger an access violation and crash the FTP server process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Core FTP 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Core FTP是一款文件传输服务器。 Core FTP 2.0 build 653版本存在访问控制错误漏洞，该漏洞源于PBSZ命令存在拒绝服务漏洞，可能导致未经验证攻击者使服务崩溃。
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
Coreftp Core FTP 2.0 -

II. Public POCs for CVE-2019-25686

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III. Intelligence Information for CVE-2019-25686

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Exploits & Public PoCs for CVE-2019-25686 (1)

Other References for CVE-2019-25686 (1)

IV. Related Vulnerabilities

Same vendor: Coreftp
Same weakness: CWE-306