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Rewterz Threat Update – Anonymous Collective’s Activity Round-Up – Russian-Ukrainian Cyber Warfare
April 7, 2022
Rewterz Threat Alert – WannaCry Ransomware – Active IOCs
April 7, 2022

Rewterz Threat Advisory – Multiple Cisco Vulnerabilities

April 7, 2022

Severity

Medium

Analysis Summary

CVE-2022-20763 CVSS:5.4

Cisco Webex Meetings could allow a remote authenticated attacker to execute arbitrary code on the system, caused by improper deserialization of Java code within login requests. By sending specially-crafted login requests, an attacker could exploit this vulnerability to execute arbitrary Java code on the system.

CVE-2022-20784 CVSS:4.3

Cisco Web Security Appliance could allow a remote attacker to bypass security restrictions, caused by improper handling of certain character combinations inserted into a URL. By sending specially-crafted URLs, an attacker could exploit this vulnerability to bypass the web proxy and access web content that has been blocked by policy.

Impact

  • Code Execution
  • Security Bypass

Indicator Of Compromise

CVE

  • CVE-2022-20763
  • CVE-2022-20784

Affected Vendors

Cisco

Affected Products

  • Cisco Webex Meetings
  • Cisco Web Security Appliance (WSA)
  • Cisco AsyncOS Software for Web Security Appliances (WSA)

Remediation

Refer to Cisco Security Advisory for patch, upgrade or suggested workaround information.

 CVE-2022-20763 
 CVE-2022-20784 

  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
    •     SOC Model Evaluation
    •     SOC Gap Analysis
    •     SIEM Gap Analysis
    •     SIEM Optimization
    •     SOC Content Pack
  • Train
    • Security Awareness and Training
    • Tabletop Exercise
    • Simulated Cyber Attack Exercises
  • Managed Security
    • Managed Security Monitoring
      • Remote SOC
      • Onsite SOC
      • Hybrid SOC
    • Managed Security Services
      • Managed Detection and Response
      • Managed Endpoint Detection and Response
      • Managed Threat Intelligence
      • Managed Threat Hunting
      • Managed Risk-Based SOAR
      • Managed Penetration Testing
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
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