Vulnerability Name:

CVE-2020-26818 (CCN-191534)

Assigned:2020-11-10
Published:2020-11-10
Updated:2022-10-05
Summary:SAP NetWeaver AS ABAP (Web Dynpro), versions - 731, 740, 750, 751, 752, 753, 754, 755, 782, allows an authenticated user to access Web Dynpro components, which reveals sensitive system information that would otherwise be restricted to highly privileged users because of missing authorization, resulting in Information Disclosure.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:H/I:N/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): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-862
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-26818

Source: XF
Type: UNKNOWN
sap-cve202026818-info-disc(191534)

Source: CCN
Type: SAP Web site
SAP Support Note 2971954

Source: MISC
Type: Permissions Required, Vendor Advisory
https://launchpad.support.sap.com/#/notes/2971954

Source: CCN
Type: SAP Security Patch Day - November 2020
SAP Security Patch Day - November 2020

Source: MISC
Type: Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571

Vulnerable Configuration:Configuration 1:
  • cpe:/a:sap:netweaver_application_server_abap:750:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:752:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:753:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:754:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:755:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:731:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:740:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:751:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:782:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:sap:netweaver_as_abap:731:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_as_abap:740:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_as_abap:750:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_as_abap:751:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_as_abap:752:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_as_abap:753:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_as_abap:754:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_as_abap:755:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    sap netweaver application server abap 750
    sap netweaver application server abap 752
    sap netweaver application server abap 753
    sap netweaver application server abap 754
    sap netweaver application server abap 755
    sap netweaver application server abap 731
    sap netweaver application server abap 740
    sap netweaver application server abap 751
    sap netweaver application server abap 782
    sap netweaver as abap 731
    sap netweaver as abap 740
    sap netweaver as abap 750
    sap netweaver as abap 751
    sap netweaver as abap 752
    sap netweaver as abap 753
    sap netweaver as abap 754
    sap netweaver as abap 755