Vulnerability Name:

CVE-2021-20532 (CCN-198811)

Assigned:2020-12-17
Published:2021-04-24
Updated:2021-04-30
Summary:IBM Spectrum Protect Client 8.1.0.0 through 8.1.11.0 could allow a local user to escalate their privileges to take full control of the system due to insecure directory permissions. IBM X-Force ID: 198811.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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
7.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/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): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
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:H/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-276
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-20532

Source: XF
Type: UNKNOWN
ibm-spectrum-cve202120532-priv-escalation(198811)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-spectrum-cve202120532-priv-escalation (198811)

Source: CCN
Type: IBM Security Bulletin 6445503 (Spectrum Protect for Virtual Environments)
Privilege escalation vulnerability in IBM Spectrum Protect Backup-Archive Client and IBM Spectrum Protect for Virtual Environments (CVE-2021-20532)

Source: CONFIRM
Type: Vendor Advisory
https://www.ibm.com/support/pages/node/6445503

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:spectrum_protect_for_virtual_environments:*:*:*:*:*:vmware:*:* (Version >= 8.1.0.0 and <= 8.1.11.0)
  • OR cpe:/a:ibm:spectrum_protect_for_virtual_environments:*:*:*:*:*:hyper-v:*:* (Version >= 8.1.0.0 and <= 8.1.11.0)
  • OR cpe:/a:ibm:spectrum_protect_backup-archive_client:*:*:*:*:*:*:*:* (Version >= 8.1.0.0 and <= 8.1.11.0)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:ibm:spectrum_protect_for_virtual_environments:8.1.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:spectrum_protect_for_virtual_environments:8.1.11.0:*:*:*:*:hyper-v:*:*
  • AND
  • cpe:/a:ibm:spectrum_protect_for_virtual_environments:7.1.0.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    ibm spectrum protect for virtual environments *
    ibm spectrum protect for virtual environments *
    ibm spectrum protect backup-archive client *
    microsoft windows -
    ibm spectrum protect for virtual environments 8.1.0.0
    ibm spectrum protect for virtual environments 8.1.11.0
    ibm spectrum protect for virtual environments 7.1.0.0