Vulnerability Name:

CVE-2022-20665 (CCN-220790)

Assigned:2021-11-02
Published:2022-03-02
Updated:2022-04-14
Summary:A vulnerability in the CLI of Cisco StarOS could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient input validation of CLI commands. An attacker could exploit this vulnerability by sending crafted commands to the CLI. A successful exploit could allow the attacker to execute arbitrary code with the privileges of the root user. To exploit this vulnerability, an attacker would need to have valid administrative credentials on an affected device.
CVSS v3 Severity:6.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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
6.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
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): None
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.2 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-77
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-20665

Source: XF
Type: UNKNOWN
cisco-cve202220665-cmd-exec(220790)

Source: CCN
Type: Cisco Security Advisory cisco-sa-staros-cmdinj-759mNT4n
Cisco StarOS Command Injection Vulnerability

Source: CISCO
Type: Vendor Advisory
20220303 Cisco StarOS Command Injection Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:staros:*:*:*:*:*:*:*:* (Version < 21.22.n6)
  • OR cpe:/o:cisco:staros:*:*:*:*:*:*:*:* (Version >= 21.23.0 and < 21.23.n7)
  • AND
  • cpe:/a:cisco:ultra_cloud_core:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_5500:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_5700:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:cisco:staros:-:*:*:*:*:*:*:*
  • AND
  • cpe:/a:cisco:asr_5000_series:16.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:virtualized_packet_core-single_instance:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco staros *
    cisco staros *
    cisco ultra cloud core -
    cisco asr 5500 -
    cisco asr 5700 -
    cisco staros -
    cisco asr 5000 series 16.4.1
    cisco virtualized packet core-single instance -