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I. Basic Information for CVE-2020-3134
Vulnerability Information

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Vulnerability Title
Cisco Email Security Appliance Zip Decompression Engine Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of zip files. An attacker could exploit this vulnerability by sending an email message with a crafted zip-compressed attachment. A successful exploit could trigger a restart of the content-scanning process, causing a temporary DoS condition. This vulnerability affects Cisco AsyncOS Software for Cisco ESA releases earlier than 13.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Email Security Appliance AsyncOS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Email Security Appliance(ESA)是美国思科(Cisco)公司的一个电子邮件安全设备。AsyncOS Software是运行在其中的一套操作系统。 Cisco ESA 13.0之前版本中的Cisco AsyncOS软件的zip解压缩引擎存在输入验证错误漏洞,该漏洞源于程序没有正确验证zip文件。远程攻击者可借助包含特制zip附件的电子邮件利用该漏洞造成拒绝服务。
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
VendorProductAffected VersionsCPESubscribe
CiscoCisco Email Security Appliance (ESA) earlier than 13.0 -
II. Public POCs for CVE-2020-3134
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III. Intelligence Information for CVE-2020-3134
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IV. Related Vulnerabilities
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