Vulnerability Name:

CVE-2021-1579 (CCN-208197)

Assigned:2020-11-13
Published:2021-08-25
Updated:2022-07-08
Summary:A vulnerability in an API endpoint of Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) could allow an authenticated, remote attacker with Administrator read-only credentials to elevate privileges on an affected system. This vulnerability is due to an insufficient role-based access control (RBAC). An attacker with Administrator read-only credentials could exploit this vulnerability by sending a specific API request using an app with admin write credentials. A successful exploit could allow the attacker to elevate privileges to Administrator with write privileges on the affected device.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/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): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): High
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
8.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-269
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-1579

Source: XF
Type: UNKNOWN
cisco-cve20211579-priv-esc(208197)

Source: CCN
Type: Cisco Security Advisory cisco-sa-capic-chvul-CKfGYBh8
Cisco Application Policy Infrastructure Controller App Privilege Escalation Vulnerability

Source: CISCO
Type: Patch, Vendor Advisory
20210825 Cisco Application Policy Infrastructure Controller App Privilege Escalation Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:* (Version >= 4.0 and < 4.2(7l))
  • OR cpe:/a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:* (Version >= 5.0 and < 5.2(2f))
  • OR cpe:/a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:* (Version >= 4.0 and < 4.2(7l))
  • OR cpe:/a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:* (Version >= 5.0 and < 5.2(2f))
  • OR cpe:/a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:* (Version < 3.2(10f))
  • OR cpe:/a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:* (Version < 3.2(10f))

    • Configuration CCN 1:
  • cpe:/o:cisco:application_policy_infrastructure_controller_(apic):1.0(1e):*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco application policy infrastructure controller *
    cisco application policy infrastructure controller *
    cisco cloud application policy infrastructure controller *
    cisco cloud application policy infrastructure controller *
    cisco application policy infrastructure controller *
    cisco cloud application policy infrastructure controller *
    cisco application policy infrastructure controller (apic) 1.0(1e)