Vulnerability Name:

CVE-2021-27610 (CCN-203301)

Assigned:2021-06-08
Published:2021-06-08
Updated:2022-10-06
Summary:SAP NetWeaver ABAP Server and ABAP Platform, versions - 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 804, does not create information about internal and external RFC user in consistent and distinguished format, which could lead to improper authentication and may be exploited by malicious users to obtain illegitimate access to the system.
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
10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
8.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
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
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-287
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-27610

Source: XF
Type: UNKNOWN
sap-cve202127610-sec-bypass(203301)

Source: CCN
Type: SAP Web site
SAP Support Note 3007182

Source: MISC
Type: Permissions Required, Vendor Advisory
https://launchpad.support.sap.com/#/notes/3007182

Source: CCN
Type: SAP Security Patch Day - June 2021
SAP Security Patch Day - June 2021

Source: MISC
Type: Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999

Vulnerable Configuration:Configuration 1:
  • cpe:/a:sap:netweaver_application_server_abap:702:*:*:*:*:*:*:*
  • OR 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_abap:700:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:701:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:702:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:731:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:740:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:750:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:751:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:752:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:753:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:754:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:755:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_abap:804:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:700:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_abap:701:*:*:*:*:*:*:*
  • 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:804:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:sap:netweaver_as_abap:7.31:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    sap netweaver application server abap 702
    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 abap 700
    sap netweaver abap 701
    sap netweaver abap 702
    sap netweaver abap 731
    sap netweaver abap 740
    sap netweaver abap 750
    sap netweaver abap 751
    sap netweaver abap 752
    sap netweaver abap 753
    sap netweaver abap 754
    sap netweaver abap 755
    sap netweaver abap 804
    sap netweaver application server abap 700
    sap netweaver application server abap 701
    sap netweaver application server abap 731
    sap netweaver application server abap 740
    sap netweaver application server abap 751
    sap netweaver application server abap 804
    sap netweaver as abap 7.31