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CVE-2022-20960

Quick assessment

Affected
Cisco Cisco Secure Email
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.

Cisco Email Security Appliance（ESA）和Cisco Web Security Appliance（WSA）都是美国思科（Cisco）公司的产品。Cisco Email Security Appliance是一个电子邮件安全设备。Cisco Web Security Appliance是一款Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。 Cisco多款产品存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

CVSS 7.5 · High EPSS 0.83% · P56
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I. Basic Information for CVE-2022-20960

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in 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. This vulnerability is due to improper handling of certain TLS connections that are processed by an affected device. An attacker could exploit this vulnerability by establishing a large number of concurrent TLS connections to an affected device. A successful exploit could allow the attacker to cause the device to drop new TLS email messages that come from the associated email servers. Exploitation of this vulnerability does not cause the affected device to unexpectedly reload. The device will recover autonomously within a few hours of when the attack is halted or mitigated.
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
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
多款Cisco产品信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Email Security Appliance（ESA）和Cisco Web Security Appliance（WSA）都是美国思科（Cisco）公司的产品。Cisco Email Security Appliance是一个电子邮件安全设备。Cisco Web Security Appliance是一款Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。 Cisco多款产品存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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
Cisco Cisco Secure Email 11.0.3-238 -

II. Public POCs for CVE-2022-20960

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III. Intelligence Information for CVE-2022-20960

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Vendor Advisories for CVE-2022-20960 (2)

Same Patch Batch · Cisco · 2022-11-03 · 13 CVEs total

CVE-2022-20961 8.8 HIGH Cisco Identity Services Engine 跨站请求伪造漏洞
CVE-2022-20958 8.3 HIGH Cisco BroadWorks CommPilot 代码问题漏洞
CVE-2022-20951 7.7 HIGH Cisco BroadWorks CommPilot 代码问题漏洞
CVE-2022-20956 7.1 HIGH Cisco Identity Services Engine 安全漏洞
CVE-2022-20942 6.5 MEDIUM 多款Cisco产品安全漏洞
CVE-2022-20963 5.4 MEDIUM Cisco Identity Services Engine 跨站脚本漏洞
CVE-2022-20867 5.4 MEDIUM 多款Cisco产品SQL注入漏洞
CVE-2022-20937 5.3 MEDIUM Cisco Identity Services Engine 资源管理错误漏洞
CVE-2022-20969 4.8 MEDIUM Cisco Umbrella 跨站脚本漏洞
CVE-2022-20772 4.7 MEDIUM 多款Cisco产品注入漏洞
CVE-2022-20868 4.7 MEDIUM 多款Cisco产品信任管理问题漏洞
CVE-2022-20962 3.8 LOW Cisco Identity Services Engine 路径遍历漏洞

IV. Related Vulnerabilities

Same product: Cisco Secure Email
Same vendor: Cisco
Same weakness: CWE-400

V. Comments for CVE-2022-20960

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