Missing authorization in SAP NetWeaver AS ABAP
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.
Summary
SAP AS ABAP (SAP Landscape Transformation), versions - 2011_1_620, 2011_1_640, 2011_1_700, 2011_1_710, 2011_1_730, 2011_1_731, 2011_1_752, 2020 and SAP S4 HANA (SAP Landscape Transformation), versions - 101, 102, 103, 104, 105, allows a high privileged user to execute a RFC function module to which access should be restricted, however due to missing authorization an attacker can get access to some sensitive internal information of vulnerable SAP system or to make vulnerable SAP systems completely unavailable.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SAP | SAP NetWeaver AS ABAP (SAP Landscape Transformation) | before 2011_1_620; before 2011_1_640; before 2011_1_700; before 2011_1_710; before 2011_1_730; before 2011_1_731; before 2011_1_752; before 2020 | 2011_1_620, 2011_1_640, 2011_1_700, 2011_1_710, 2011_1_730, 2011_1_731, 2011_1_752, 2020 | Patch available | CNA |
| SAP | SAP S4 HANA (SAP Landscape Transformation) | before 101; before 102; before 103; before 104; before 105 | 101, 102, 103, 104, 105 | Patch available | CNA |
- SAP NetWeaver AS ABAP (SAP Landscape Transformation) VendorSAP Affected before 2011_1_620; before 2011_1_640; before 2011_1_700; before 2011_1_710; before 2011_1_730; before 2011_1_731; before 2011_1_752; before 2020 Fixed in 2011_1_620, 2011_1_640, 2011_1_700, 2011_1_710, 2011_1_730, 2011_1_731, 2011_1_752, 2020 Patch available CNA
- SAP S4 HANA (SAP Landscape Transformation) VendorSAP Affected before 101; before 102; before 103; before 104; before 105 Fixed in 101, 102, 103, 104, 105 Patch available CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_620:*:*:*:*:*:*:* | 2011_1_620 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_640:*:*:*:*:*:*:* | 2011_1_640 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_700:*:*:*:*:*:*:* | 2011_1_700 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_710:*:*:*:*:*:*:* | 2011_1_710 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_730:*:*:*:*:*:*:* | 2011_1_730 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_731:*:*:*:*:*:*:* | 2011_1_731 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_752:*:*:*:*:*:*:* | 2011_1_752 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:2020:*:*:*:*:*:*:* | 2020 | Vulnerable | SAP |
| cpe:2.3:a:sap:s\/4_hana:101:*:*:*:*:*:*:* | 101 | Vulnerable | SAP |
| cpe:2.3:a:sap:s\/4_hana:102:*:*:*:*:*:*:* | 102 | Vulnerable | SAP |
- cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_620:*:*:*:*:*:*:* Versions 2011_1_620 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_640:*:*:*:*:*:*:* Versions 2011_1_640 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_700:*:*:*:*:*:*:* Versions 2011_1_700 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_710:*:*:*:*:*:*:* Versions 2011_1_710 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_730:*:*:*:*:*:*:* Versions 2011_1_730 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_731:*:*:*:*:*:*:* Versions 2011_1_731 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:2011_1_752:*:*:*:*:*:*:* Versions 2011_1_752 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:2020:*:*:*:*:*:*:* Versions 2020 Vulnerable ·SAP
- cpe:2.3:a:sap:s\/4_hana:101:*:*:*:*:*:*:* Versions 101 Vulnerable ·SAP
- cpe:2.3:a:sap:s\/4_hana:102:*:*:*:*:*:*:* Versions 102 Vulnerable ·SAP
Remediation
- Fix · CNA SAP NetWeaver AS ABAP (SAP Landscape Transformation) (SAP SE) Fixed in 2011_1_620, 2011_1_640, 2011_1_700, 2011_1_710, 2011_1_730, 2011_1_731, 2011_1_752, 2020
- Fix · CNA SAP S4 HANA (SAP Landscape Transformation) (SAP SE) Fixed in 101, 102, 103, 104, 105
Timeline
- 2026-10-02 Threatist record created from CVE-2020-26832
- 2026-10-03 Alias added: GHSA-898v-h686-8h79
References
Exploit 2
More SAP Netweaver Application Server Abap vulnerabilities
- TI-2022-06811 SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP… KEVCVSS 3.1CRITICAL 10.0
- TI-2023-21149 Missing Authorization check in SAP CommonCryptoLib CVSS 3.1CRITICAL 9.8
- TI-2023-12229 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform CVSS 3.1CRITICAL 9.6
- TI-2023-12228 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform CVSS 3.1CRITICAL 9.6
- TI-2021-19921 Code injection in SAP ABAP Server & ABAP Platform CVSS 3.1CRITICAL 9.8
- TI-2021-09062 Improper authentication in SAP NetWeaver AS ABAP and ABAP Platform CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-26832 · CVE Program
- CVE-2020-26832 · NVD
- FIRST EPSS
- GHSA-898v-h686-8h79 · GitHub Advisory Database · CC BY 4.0
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