Vulnerability Name:

CVE-2020-4377 (CCN-179156)

Assigned:2019-12-30
Published:2020-07-30
Updated:2021-07-21
Summary:IBM Cognos Anaytics 11.0 and 11.1 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 179156.
CVSS v3 Severity:9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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): None
Availibility (A): High
8.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L/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): None
Availibility (A): Low
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
8.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-776
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-4377

Source: XF
Type: UNKNOWN
ibm-cognos-cve20204377-xxe(179156)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-cognos-cve20204377-xxe (179156)

Source: CCN
Type: IBM Security Bulletin 6252853 (Cognos Analytics)
IBM Cognos Analytics has addressed multiple vulnerabilities

Source: CONFIRM
Type: Vendor Advisory
https://www.ibm.com/support/pages/node/6252853

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:cognos_analytics:11.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cognos_analytics:11.1.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:cognos_analytics:11.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cognos_analytics:11.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm cognos analytics 11.0.0
    ibm cognos analytics 11.1.0
    ibm cognos analytics 11.0
    ibm cognos analytics 11.1