How severe is CVE-2020-26818?

CVE-2020-26818 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-26818 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26818?

CVE-2020-26818 primarily affects Sap Netweaver Application Server Abap. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-26818?

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

When was CVE-2020-26818 published?

CVE-2020-26818 was published on 2020-11-10 and last updated on 2026-06-17.

CVE-2020-26818

CVE-2020-26818 is a high-severity vulnerability in Sap Netweaver Application Server Abap with a CVSS 3.x base score of 8.8. 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-862.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Sap Netweaver Application Server Abap
Published: 2020-11-10
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-26818?: 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.
How severe is CVE-2020-26818?: CVE-2020-26818 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-26818 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26818?: CVE-2020-26818 primarily affects Sap Netweaver Application Server Abap. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-26818?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-26818 published?: CVE-2020-26818 was published on 2020-11-10 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:740:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:750:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:751:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:753:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:754:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:755:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:782:*:*:*:*:*:*:*

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