Vulnerability Name:

CVE-2020-3116 (CCN-174073)

Assigned:2019-12-12
Published:2020-01-08
Updated:2021-08-12
Summary:A vulnerability in the way Cisco Webex applications process Universal Communications Format (UCF) files could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of UCF media files. An attacker could exploit this vulnerability by sending a user a malicious UCF 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 would cause the application to quit unexpectedly.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-3116

Source: XF
Type: UNKNOWN
cisco-cve20203116-dos(174073)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20200108-webex-centers-dos
Cisco Webex Centers Denial of Service Vulnerability

Source: CISCO
Type: Vendor Advisory
20200108 Cisco Webex Centers Denial of Service Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:webex_meetings_online:1.3.43:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:webex_meetings_server:4.0:-:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:cisco:webex_training_center:-:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:webex_meeting_center:*:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:webex_event_center:-:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:webex_support_center:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco webex meetings online 1.3.43
    cisco webex meetings server 4.0 -
    cisco webex training center -
    cisco webex meeting center *
    cisco webex event center -
    cisco webex support center -