Vulnerability Name:

CVE-2020-4945 (CCN-191945)

Assigned:2019-12-30
Published:2021-06-23
Updated:2021-09-20
Summary:IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.
CVSS v3 Severity:8.1 High (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 (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
6.5 Medium (CCN 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 (CCN 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
CVSS v2 Severity:5.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-732
Vulnerability Consequences:Data Manipulation
References:Source: MITRE
Type: CNA
CVE-2020-4945

Source: XF
Type: UNKNOWN
ibm-db2-cve20204945-file-overwrite(191945)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-db2-cve20204945-file-overwrite (191945)

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20210720-0006/

Source: CCN
Type: IBM Security Bulletin 6466367 (DB2 for Linux and UNIX)
IBM Db2 could allow an authenticated user to overwrite arbirary files due to improper group permissions. (CVE-2020-4945)

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6466367

Source: CCN
Type: IBM Security Bulletin 6490789 (Emptoris Sourcing)
Multiple IBM Db2 Server Vulnerabilities Affect IBM Emptoris Sourcing

Source: CCN
Type: IBM Security Bulletin 6490791 (Emptoris Supplier Lifecycle Management)
Multiple IBM Db2 Server Vulnerabilities Affect IBM Emptoris Supplier Lifecycle Mgmt

Source: CCN
Type: IBM Security Bulletin 6490795 (Emptoris Strategic Supply Management)
Multiple IBM DB2 Server Vulnerabilities Affect IBM Emptoris Strategic Supply Management Platform

Source: CCN
Type: IBM Security Bulletin 6490797 (Emptoris Program Management)
Multiple IBM Db2 Server Vulnerabilities Affect IBM Emptoris Program Management

Source: CCN
Type: IBM Security Bulletin 6490801 (Emptoris Contract Management)
Multiple IBM Db2 Server Vulnerabilities Affect IBM Emptoris Contract Management

Source: CCN
Type: IBM Security Bulletin 6524726 (Spectrum Protect Server)
Vulnerabilities in IBM Db2 affect IBM Spectrum Protect Server (CVE-2021-29777, CVE-2021-20579, CVE-2021-29703, CVE-2020-4885, CVE-2020-4945)

Source: CCN
Type: IBM Security Bulletin 6528194 (Monitoring)
Multiple vulnerabilities have been identified in DB2 that affect the IBM Performance Management product.

Source: CCN
Type: IBM Security Bulletin 6583541 (Cloud Pak System Software)
Multiple vulnerabilities found in Db2 affect IBM Cloud Pak System Software and Cloud Pak System Software Suite

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:db2:11.5:*:*:*:*:-:*:*
  • AND
  • cpe:/o:ibm:aix:-:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:db2:11.5:*:*:*:*:linux:*:*
  • OR cpe:/a:ibm:db2:11.5:*:*:*:*:unix:*:*
  • AND
  • cpe:/a:ibm:emptoris_sourcing:10.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_sourcing:10.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_contract_management:10.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_sourcing:10.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:monitoring:8.1.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_contract_management:10.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_contract_management:10.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_program_management:10.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_program_management:10.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_program_management:10.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_supplier_lifecycle_management:10.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_supplier_lifecycle_management:10.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_supplier_lifecycle_management:10.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_strategic_supply_management:10.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_strategic_supply_management:10.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:emptoris_strategic_supply_management:10.1.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm db2 11.5
    ibm aix -
    linux linux kernel -
    ibm db2 11.5
    ibm db2 11.5
    ibm emptoris sourcing 10.1.0
    ibm emptoris sourcing 10.1.1
    ibm emptoris contract management 10.1.0
    ibm emptoris sourcing 10.1.3
    ibm monitoring 8.1.4
    ibm emptoris contract management 10.1.1
    ibm emptoris contract management 10.1.3
    ibm emptoris program management 10.1.0
    ibm emptoris program management 10.1.1
    ibm emptoris program management 10.1.3
    ibm emptoris supplier lifecycle management 10.1.0
    ibm emptoris supplier lifecycle management 10.1.1
    ibm emptoris supplier lifecycle management 10.1.3
    ibm emptoris strategic supply management 10.1.0
    ibm emptoris strategic supply management 10.1.1
    ibm emptoris strategic supply management 10.1.3