CVE-2020-3321 vulnerability in Cisco Products
Published on June 3, 2020
Cisco Webex Network Recording Player and Cisco Webex Player Denial of Service Vulnerability
A vulnerability in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows could allow an attacker to cause a process crash resulting in a Denial of service (DoS) condition for the player application on an affected system. The vulnerability exists due to insufficient validation of certain elements with a Webex recording stored in either the Advanced Recording Format (ARF) or the Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to cause the Webex player application to crash when trying to view the malicious file.
Vulnerability Analysis
CVE-2020-3321 can be exploited with local system 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 and integrity, and a small impact on availability.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2020-3321
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Affected Versions
Cisco Webex Network Recording Player:- Version unspecified and below 3.0 MR3 Security Patch 2 is affected.
- Version unspecified and below 4.0 MR3 is affected.
- Version unspecified and below 3.0 MR3 Security Patch 2 is affected.
- Version unspecified and below 4.0 MR3 is affected.
Exploit 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.