How severe is CVE-2020-26838?

CVE-2020-26838 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-26838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26838?

CVE-2020-26838 primarily affects Sap Business Warehouse. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-26838?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-26838 published?

CVE-2020-26838 was published on 2020-12-09 and last updated on 2026-06-17.

CVE-2020-26838

CVE-2020-26838 is a critical-severity vulnerability in Sap Business Warehouse with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 9.0
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Sap Business Warehouse
Published: 2020-12-09
Last modified: 2026-06-17

Description

SAP Business Warehouse, versions - 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 782, and SAP BW4HANA, versions - 100, 200 allows an attacker authenticated with (high) developer privileges to submit a crafted request to generate and execute code without requiring any user interaction. It is possible to craft a request which will result in the execution of Operating System commands leading to Code Injection vulnerability which could completely compromise the confidentiality, integrity and availability of the server and any data or other applications running on it.

Frequently asked questions

What is CVE-2020-26838?: SAP Business Warehouse, versions - 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 782, and SAP BW4HANA, versions - 100, 200 allows an attacker authenticated with (high) developer privileges to submit a crafted request to generate and execute code without requiring any user interaction. It is possible to craft a request which will result in the execution of Operating System commands leading to Code Injection vulnerability which could completely compromise the confidentiality, integrity and availability of the server and any data or other applications running on it.
How severe is CVE-2020-26838?: CVE-2020-26838 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-26838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26838?: CVE-2020-26838 primarily affects Sap Business Warehouse. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-26838?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-26838 published?: CVE-2020-26838 was published on 2020-12-09 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:sap:business_warehouse:700:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:701:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:702:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:731:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:740:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:750:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:751:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:752:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:753:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:754:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:755:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_warehouse:782:*:*:*:*:*:*:*
cpe:2.3:a:sap:bw\/4hana:100:*:*:*:*:*:*:*
cpe:2.3:a:sap:bw\/4hana:200:*:*:*:*:*:*:*

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