How severe is CVE-2021-33703?

CVE-2021-33703 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-2021-33703 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33703?

CVE-2021-33703 primarily affects Sap Netweaver Enterprise Portal. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33703?

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

When was CVE-2021-33703 published?

CVE-2021-33703 was published on 2021-08-10 and last updated on 2026-06-17.

CVE-2021-33703

CVE-2021-33703 is a medium-severity vulnerability in Sap Netweaver Enterprise Portal 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: 2.6
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sap Netweaver Enterprise Portal
Published: 2021-08-10
Last modified: 2026-06-17

Description

Under certain conditions, NetWeaver Enterprise Portal, versions - 7.30, 7.31, 7.40, 7.50, does not sufficiently encode URL parameters. An attacker can craft a malicious link and send it to a victim. A successful attack results in Reflected Cross-Site Scripting (XSS) vulnerability.

Frequently asked questions

What is CVE-2021-33703?: Under certain conditions, NetWeaver Enterprise Portal, versions - 7.30, 7.31, 7.40, 7.50, does not sufficiently encode URL parameters. An attacker can craft a malicious link and send it to a victim. A successful attack results in Reflected Cross-Site Scripting (XSS) vulnerability.
How severe is CVE-2021-33703?: CVE-2021-33703 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-2021-33703 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33703?: CVE-2021-33703 primarily affects Sap Netweaver Enterprise Portal. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33703?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33703 published?: CVE-2021-33703 was published on 2021-08-10 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:sap:netweaver_enterprise_portal:7.30:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_enterprise_portal:7.31:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_enterprise_portal:7.40:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_enterprise_portal:7.50:*:*:*:*:*:*:*

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