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Multiple Interpretations of UI Input

CVE-2021-1242

Severity Medium
Score 4.3/10

Summary

A vulnerability in Cisco Webex Teams could allow an unauthenticated, remote attacker to manipulate file names within the messaging interface. The vulnerability exists because the affected software mishandles character rendering. An attacker could exploit this vulnerability by sharing a file within the application interface. A successful exploit could allow the attacker to modify how the shared file name displays within the interface, which could allow the attacker to conduct phishing or spoofing attacks.

  • LOW
  • NETWORK
  • LOW
  • UNCHANGED
  • REQUIRED
  • NONE
  • NONE
  • NONE

CWE-450 - Multiple Interpretations of UI Input

The UI has multiple interpretations of user input but does not prompt the user when it selects the less secure interpretation.

References

Advisory Timeline

  • Published