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Rewterz Threat Advisory –CVE-2021-1585 – Zero-day Vulnerability in Cisco Adaptive Security Device Manager

Severity

High

Analysis Summary

CVE-2021-1585

A vulnerability in the Cisco Adaptive Security Device Manager (ASDM) Launcher could allow an unauthenticated, remote attacker to execute arbitrary code on a user’s operating system. This vulnerability is due to a lack of proper signature verification for specific code exchanged between the ASDM and the Launcher. An attacker could exploit this vulnerability by leveraging a man-in-the-middle position on the network to intercept the traffic between the Launcher and the ASDM and then inject arbitrary code. A successful exploit could allow the attacker to execute arbitrary code on the user’s operating system with the level of privileges assigned to the ASDM Launcher.

“A successful exploit may require the attacker to perform a social engineering attack to persuade the user to initiate communication from the Launcher to the ASDM.”

Impact

  • Code Execution
  • Unauthorized Access

Affected Vendors

Cisco

Affected Products

  • Cisco ADSM software versions from releases ‘9.16.1 and earlier

Remediation

A patch for the advisory is yet to be released, however, refer to Cisco Security Advisory for patch upgrade, or suggested workaround information.

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asdm-rce-gqjShXW