Vulnerability Name:

CVE-2020-3430 (CCN-187688)

Assigned:2019-12-12
Published:2020-09-02
Updated:2020-09-09
Summary:A vulnerability in the application protocol handling features of Cisco Jabber for Windows could allow an unauthenticated, remote attacker to execute arbitrary commands. The vulnerability is due to improper handling of input to the application protocol handlers. An attacker could exploit this vulnerability by convincing a user to click a link within a message sent by email or other messaging platform. A successful exploit could allow the attacker to execute arbitrary commands on a targeted system with the privileges of the user account that is running the Cisco Jabber client software.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
9.0 High (CCN 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
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-78
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-3430

Source: XF
Type: UNKNOWN
cisco-cve20203430-command-exec(187688)

Source: CCN
Type: Cisco Security Advisory cisco-sa-jabber-vY8M4KGB
Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability

Source: CISCO
Type: Vendor Advisory
20200902 Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:jabber:*:*:*:*:*:windows:*:* (Version >= 12.1 and < 12.1.3)
  • OR cpe:/a:cisco:jabber:*:*:*:*:*:windows:*:* (Version >= 12.5 and < 12.5.2)
  • OR cpe:/a:cisco:jabber:*:*:*:*:*:windows:*:* (Version >= 12.6 and < 12.6.3)
  • OR cpe:/a:cisco:jabber:*:*:*:*:*:windows:*:* (Version >= 12.7 and < 12.7.2)
  • OR cpe:/a:cisco:jabber:*:*:*:*:*:windows:*:* (Version >= 12.8 and < 12.8.3)
  • OR cpe:/a:cisco:jabber:*:*:*:*:*:windows:*:* (Version >= 12.9 and < 12.9.1)

    • Configuration CCN 1:
  • cpe:/a:cisco:jabber:-:-:*:*:*:windows:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco jabber *
    cisco jabber *
    cisco jabber *
    cisco jabber *
    cisco jabber *
    cisco jabber *
    cisco jabber - -