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CVE-2022-20750— Cisco Redundancy Configuration Manager for Cisco StarOS Software TCP Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Redundancy Configuration Manager
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 StarOS是美国思科（Cisco）公司的一套虚拟化操作系统。 Cisco StarOS Software 的 Cisco Redundancy Configuration Manager (RCM) 存在输入验证错误漏洞，该漏洞源于对入口 TCP 数据包的输入验证不当。攻击者可以通过向受影响的应用程序发送精心设计的 TCP 数据来利用此漏洞。

CVSS 5.3 · Medium EPSS 1.14% · P66

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-20750

Vulnerability Information
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Vulnerability Title
Cisco Redundancy Configuration Manager for Cisco StarOS Software TCP Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the checkpoint manager implementation of Cisco Redundancy Configuration Manager (RCM) for Cisco StarOS Software could allow an unauthenticated, remote attacker to cause the checkpoint manager process to restart upon receipt of malformed TCP data. This vulnerability is due to improper input validation of an ingress TCP packet. An attacker could exploit this vulnerability by sending crafted TCP data to the affected application. A successful exploit could allow the attacker to cause a denial of service (DoS) condition due to the checkpoint manager process restarting.
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:L
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco StarOS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco StarOS是美国思科（Cisco）公司的一套虚拟化操作系统。 Cisco StarOS Software 的 Cisco Redundancy Configuration Manager (RCM) 存在输入验证错误漏洞，该漏洞源于对入口 TCP 数据包的输入验证不当。攻击者可以通过向受影响的应用程序发送精心设计的 TCP 数据来利用此漏洞。
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

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Redundancy Configuration Manager n/a -

II. Public POCs for CVE-2022-20750

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III. Intelligence Information for CVE-2022-20750

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Vendor Advisories for CVE-2022-20750 (1)

Same Patch Batch · Cisco · 2022-02-17 · 3 CVEs total

CVE-2022-20653 7.5 HIGH Cisco Email Security Appliance DNS Verification Denial of Service Vulnerability
CVE-2022-20659 6.1 MEDIUM Cisco Prime Infrastructure and Evolved Programmable Network Manager Cross-Site Scripting V

IV. Related Vulnerabilities

Same product: Cisco Redundancy Configuration Manager
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2022-20750

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