CVE-2021-1242 is a vulnerability in Cisco Webex Teams
Published on January 13, 2021
Cisco Webex Teams Shared File Manipulation Vulnerability
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.
Vulnerability Analysis
CVE-2021-1242 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
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.
Products Associated with CVE-2021-1242
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Affected Versions
Cisco Webex Teams Version n/a is affected by CVE-2021-1242Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.