CVE-2020-27133:Privilege Escalation Vulnerability in Cisco Jabber Desktop and Mobile Client Software

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Description Preview

Multiple vulnerabilities in Cisco Jabber for Windows, MacOS, and mobile platforms could allow attackers to execute arbitrary programs with elevated privileges or access sensitive information. These vulnerabilities are classified as CWE-269 (Improper Privilege Management) and affect all versions of the Jabber client software across multiple platforms.

Overview

This vulnerability (CVE-2020-27133) is part of a set of security flaws discovered in Cisco Jabber communication software. The issue stems from improper privilege management (CWE-269) that could allow an attacker to execute arbitrary programs on the underlying operating system with elevated privileges. Additionally, attackers might gain access to sensitive information. The vulnerability affects Cisco Jabber for Windows, MacOS, and mobile platforms, potentially exposing users to significant security risks. The exploit could allow attackers to gain higher privileges than intended, potentially leading to complete system compromise.

Remediation

Organizations should immediately update to the latest version of Cisco Jabber software as specified in the Cisco Security Advisory. Cisco has released patches that address these vulnerabilities. If immediate patching is not possible, organizations should consider implementing temporary mitigations such as:

  1. Restricting access to Jabber applications
  2. Monitoring for suspicious activities related to the Jabber application
  3. Ensuring proper network segmentation to limit potential lateral movement
  4. Following the specific guidance provided in the Cisco Security Advisory (cisco-sa-jabber-ZktzjpgO)

References

  1. Cisco Security Advisory: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-jabber-ZktzjpgO
  2. Common Weakness Enumeration: CWE-269 (Improper Privilege Management)
  3. MITRE ATT&CK: Privilege Escalation (TA0004)
  4. National Vulnerability Database (NVD): CVE-2020-27133

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Manufacturing
    Manufacturing
  2. Health Care & Social Assistance
    Health Care & Social Assistance
  3. Public Administration
    Public Administration
  4. Transportation & Warehousing
    Transportation & Warehousing
  5. Educational Services
    Educational Services
  6. Finance and Insurance
    Finance and Insurance
  7. Management of Companies & Enterprises
    Management of Companies & Enterprises
  8. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  9. Other Services (except Public Administration)
    Other Services (except Public Administration)
  10. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  11. Retail Trade
    Retail Trade
  12. Information
    Information
  13. Utilities
    Utilities
  14. Wholesale Trade
    Wholesale Trade
  15. Accommodation & Food Services
    Accommodation & Food Services
  16. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  17. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  18. Construction
    Construction
  19. Mining
    Mining
  20. Real Estate Rental & Leasing
    Real Estate Rental & Leasing

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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