Vulnerability Name:

CVE-2021-20488 (CCN-197789)

Assigned:2020-12-17
Published:2021-06-15
Updated:2022-07-12
Summary:IBM Security Identity Manager 6.0.2 could allow an authenticated malicious user to change the passwords of other users in the Windows AD environment when IBM Security Identity Manager Windows Password Synch Plug-in is deployed and configured. IBM X-Force ID: 197789.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/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): None
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/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): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-20488

Source: XF
Type: UNKNOWN
ibm-sim-cve202120488-gain-access(197789)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-sim-cve202120488-gain-access (197789)

Source: CCN
Type: IBM Security Bulletin 6464081 (Security Identity Manager)
IBM Security Identity Manager Password Synchronization Plug-in for Windows AD affected by multiple vulnerabilities (CVE-2021-20483, CVE-2021-20488)

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6464081

Source: CCN
Type: IBM Security Bulletin 6465875 (Security Identity Manager Adapters)
IBM Security Verify Password Synchronization Plug-in for Windows AD affected by multiple vulnerabilities (CVE-2021-20488, CVE-2021-20494, CVE-2021-20572, CVE-2021-20573, CVE-2021-20574)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:security_identity_manager:6.0.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*
  • OR cpe:/o:ibm:aix:-:*:*:*:*:*:*:*
  • OR cpe:/o:oracle:solaris:-:*:*:*:*:*:-:*

  • Configuration CCN 1:
  • cpe:/a:ibm:security_identity_manager:6.0.2:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:security_identity_manager:6.0.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    ibm security identity manager 6.0.2
    microsoft windows -
    linux linux kernel -
    ibm aix -
    oracle solaris -
    ibm security identity manager 6.0.2
    ibm security identity manager 6.0.0