Vulnerability Name:

CVE-2022-20754 (CCN-220778)

Assigned:2021-11-02
Published:2022-03-02
Updated:2022-04-14
Summary:Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker with read/write privileges to the application to write files or execute arbitrary code on the underlying operating system of an affected device as the root user. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS v3 Severity:7.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
6.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L)
7.8 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): Low
CVSS v2 Severity:9.0 High (CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
8.7 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-20754

Source: XF
Type: UNKNOWN
cisco-cve202220754-file-overwrite(220778)

Source: CCN
Type: Cisco Security Advisory cisco-sa-expressway-filewrite-87Q5YRk
Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

Source: CISCO
Type: Vendor Advisory
20220303 Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:telepresence_video_communication_server:*:*:*:*:expressway:*:*:* (Version < 14.0.5)

    • Configuration CCN 1:
  • cpe:/a:cisco:telepresence_video_communication_server:-:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:expressway_series:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco telepresence video communication server *
    cisco telepresence video communication server -
    cisco expressway series -