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I. Basic Information for CVE-2025-20393
Vulnerability Information
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Vulnerability Title
Cisco Secure Email Gateway and Cisco Secure Email and Web Manager Remote Command Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Spam Quarantine feature of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to execute arbitrary system commands on an affected device with root privileges. This vulnerability is due to insufficient validation of HTTP requests by the Spam Quarantine feature. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Secure Email和Cisco Secure Email and Web Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Secure Email和Cisco Secure Email and Web Manager都是美国思科（Cisco）公司的产品。Cisco Secure Email是思科安全电子邮件（前身为电子邮件安全）为您的电子邮件提供最佳保护，使其免受网络威胁。Cisco Secure Email and Web Manager是一个安全电子邮件和 Web 管理器。 Cisco Secure Email和Cisco Secure Email and Web Manager存在安全漏洞。攻击者利用该漏洞
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
CiscoCisco Secure Email 14.0.0-698 -
CiscoCisco Secure Email and Web Manager 13.6.2-023 -
II. Public POCs for CVE-2025-20393
#POC DescriptionSource LinkShenlong Link
1 This scanner detects Cisco SEG/SEWM appliances vulnerable to CVE-2025-20393, a critical unauthenticated RCE vulnerability in Cisco AsyncOS affecting devices with Spam Quarantine feature exposed to the internet. CVSS Score: 10.0 (Critical) https://github.com/thesystemowner/CVE-2025-20393-POCPOC Details
2Cisco is aware of a potential vulnerability.  Cisco is currently investigating and will update these details as appropriate as more information becomes available.https://github.com/cyberleelawat/CVE-2025-20393POC Details
3Nonehttps://github.com/KingHacker353/CVE-2025-20393POC Details
4Nonehttps://github.com/b1gchoi/CVE-2025-20393POC Details
5Script to detect CVE-2025-20393 for Cisco Secure Email Gateway And Cisco Secure Email and Web Managerhttps://github.com/StasonJatham/cisco-sa-sma-attack-N9bf4POC Details
6CVE-2025-20393https://github.com/Ashwesker/Blackash-CVE-2025-20393POC Details
7CVE-2025-20393https://github.com/Ashwesker/Ashwesker-CVE-2025-20393POC Details
8🔍 Probe hosts for open Cisco Secure Email/Malware Analytics ports and CVE-2025-20393 exposure using a simple Python script.https://github.com/MRH701/mrh701.github.ioPOC Details
9This tool helps identify exposure to CVE-2025-20393 by checking for open TCP/6025 ports, responsive Spam Quarantine interfaces, and known post-exploitation IOCs.https://github.com/cyberdudebivash/CYBERDUDEBIVASH-Cisco-AsyncOS-CVE-2025-20393-ScannerPOC Details
10CVE-2025-20393https://github.com/redpack-kr/Blackash-CVE-2025-20393POC Details
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III. Intelligence Information for CVE-2025-20393
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IV. Related Vulnerabilities
Same product: Cisco Secure Email
Same vendor: Cisco
Same weakness: CWE-20
V. Comments for CVE-2025-20393
Anonymous User
2026-01-15 06:08:56

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