How severe is CVE-2020-6203?

CVE-2020-6203 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2020-6203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6203?

CVE-2020-6203 primarily affects Sap Netweaver. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-6203?

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-2020-6203 published?

CVE-2020-6203 was published on 2020-03-10 and last updated on 2026-06-17.

CVE-2020-6203

CVE-2020-6203 is a critical-severity vulnerability in Sap Netweaver 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Sap Netweaver
Published: 2020-03-10
Last modified: 2026-06-17

Description

SAP NetWeaver UDDI Server (Services Registry), versions- 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50; allows an attacker to exploit insufficient validation of path information provided by users, thus characters representing 'traverse to parent directory' are passed through to the file APIs, leading to Path Traversal.

Frequently asked questions

What is CVE-2020-6203?: SAP NetWeaver UDDI Server (Services Registry), versions- 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50; allows an attacker to exploit insufficient validation of path information provided by users, thus characters representing 'traverse to parent directory' are passed through to the file APIs, leading to Path Traversal.
How severe is CVE-2020-6203?: CVE-2020-6203 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2020-6203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6203?: CVE-2020-6203 primarily affects Sap Netweaver. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-6203?: 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-2020-6203 published?: CVE-2020-6203 was published on 2020-03-10 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:sap:netweaver:7.10:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver:7.11:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver:7.20:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver:7.30:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver:7.31:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver:7.40:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver:7.50:*:*:*:*:*:*:*

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