How severe is CVE-2020-6263?

CVE-2020-6263 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-6263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6263?

CVE-2020-6263 primarily affects Sap Netweaver Application Server Java. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-6263?

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-2020-6263 published?

CVE-2020-6263 was published on 2020-06-10 and last updated on 2026-06-17.

CVE-2020-6263

CVE-2020-6263 is a critical-severity vulnerability in Sap Netweaver Application Server Java with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Sap Netweaver Application Server Java
Published: 2020-06-10
Last modified: 2026-06-17

Description

Standalone clients connecting to SAP NetWeaver AS Java via P4 Protocol, versions (SAP-JEECOR 7.00, 7.01; SERVERCOR 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50; CORE-TOOLS 7.00, 7.01, 7.02, 7.05, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50) do not perform any authentication checks for operations that require user identity leading to Authentication Bypass.

Frequently asked questions

What is CVE-2020-6263?: Standalone clients connecting to SAP NetWeaver AS Java via P4 Protocol, versions (SAP-JEECOR 7.00, 7.01; SERVERCOR 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50; CORE-TOOLS 7.00, 7.01, 7.02, 7.05, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50) do not perform any authentication checks for operations that require user identity leading to Authentication Bypass.
How severe is CVE-2020-6263?: CVE-2020-6263 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-6263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6263?: CVE-2020-6263 primarily affects Sap Netweaver Application Server Java. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-6263?: 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-2020-6263 published?: CVE-2020-6263 was published on 2020-06-10 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:sap:netweaver_application_server_java:7.00:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.01:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.02:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.05:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.10:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*

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