Vulnerability Name:

CVE-2020-4747 (CCN-188516)

Assigned:2019-12-30
Published:2020-12-14
Updated:2020-12-17
Summary:IBM Connect:Direct for UNIX 6.1.0, 6.0.0, 4.3.0, and 4.2.0 can allow a local or remote user to obtain an authenticated CLI session due to improper authentication methods. IBM X-Force ID: 188516.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/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): None
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:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
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): None
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-287
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-4747

Source: XF
Type: UNKNOWN
ibm-connect-cve20204747-auth(188516)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-connect-cve20204747-auth (188516)

Source: CCN
Type: IBM Security Bulletin 6381904 (Sterling Connect:Direct for UNIX)
Authentication mechanism vulnerability affects IBM Connect:Direct for UNIX (CVE-2020-4747)

Source: CONFIRM
Type: Vendor Advisory
https://www.ibm.com/support/pages/node/6381904

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:connect:direct:4.2.0:*:*:*:*:unix:*:*
  • OR cpe:/a:ibm:connect:direct:4.3.0:*:*:*:*:unix:*:*
  • OR cpe:/a:ibm:connect:direct:6.0.0:*:*:*:*:unix:*:*
  • OR cpe:/a:ibm:connect:direct:6.1.0:*:*:*:*:unix:*:*

  • Configuration CCN 1:
  • cpe:/a:ibm:sterling_connect:direct:4.2.0:*:*:*:unix:*:*:*
  • OR cpe:/a:ibm:sterling_connect:direct:4.3.0:*:*:*:unix:*:*:*
  • OR cpe:/a:ibm:sterling_connect:direct:6.0.0:*:*:*:unix:*:*:*

  • * Denotes that component is vulnerable
    BACK
    ibm connect:direct 4.2.0
    ibm connect:direct 4.3.0
    ibm connect:direct 6.0.0
    ibm connect:direct 6.1.0
    ibm sterling connect:direct 4.2.0
    ibm sterling connect:direct 4.3.0
    ibm sterling connect:direct 6.0.0