How severe is CVE-2020-26835?

CVE-2020-26835 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-26835 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26835?

CVE-2020-26835 primarily affects Sap Netweaver Application Server Abap. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-26835?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-26835 published?

CVE-2020-26835 was published on 2020-12-09 and last updated on 2026-06-17.

CVE-2020-26835

CVE-2020-26835 is a medium-severity vulnerability in Sap Netweaver Application Server Abap with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sap Netweaver Application Server Abap
Published: 2020-12-09
Last modified: 2026-06-17

Description

SAP NetWeaver AS ABAP, versions - 740, 750, 751, 752, 753, 754 , does not sufficiently encode URL which allows an attacker to input malicious java script in the URL which could be executed in the browser resulting in Reflected Cross-Site Scripting (XSS) vulnerability.

Frequently asked questions

What is CVE-2020-26835?: SAP NetWeaver AS ABAP, versions - 740, 750, 751, 752, 753, 754 , does not sufficiently encode URL which allows an attacker to input malicious java script in the URL which could be executed in the browser resulting in Reflected Cross-Site Scripting (XSS) vulnerability.
How severe is CVE-2020-26835?: CVE-2020-26835 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-26835 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26835?: CVE-2020-26835 primarily affects Sap Netweaver Application Server Abap. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-26835?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-26835 published?: CVE-2020-26835 was published on 2020-12-09 and last updated on 2026-06-17.

References

Affected products (6)

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:*:*:*:*:*:*:*

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