How severe is CVE-2021-33687?

CVE-2021-33687 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-33687 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33687?

CVE-2021-33687 primarily affects Sap Netweaver Application Server Java. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33687?

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

When was CVE-2021-33687 published?

CVE-2021-33687 was published on 2021-07-14 and last updated on 2026-06-17.

CVE-2021-33687

CVE-2021-33687 is a medium-severity vulnerability in Sap Netweaver Application Server Java with a CVSS 3.x base score of 4.9. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Sap Netweaver Application Server Java
Published: 2021-07-14
Last modified: 2026-06-17

Description

SAP NetWeaver AS JAVA (Enterprise Portal), versions - 7.10, 7.20, 7.30, 7.31, 7.40, 7.50 reveals sensitive information in one of their HTTP requests, an attacker can use this in conjunction with other attacks such as XSS to steal this information.

Frequently asked questions

What is CVE-2021-33687?: SAP NetWeaver AS JAVA (Enterprise Portal), versions - 7.10, 7.20, 7.30, 7.31, 7.40, 7.50 reveals sensitive information in one of their HTTP requests, an attacker can use this in conjunction with other attacks such as XSS to steal this information.
How severe is CVE-2021-33687?: CVE-2021-33687 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-33687 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33687?: CVE-2021-33687 primarily affects Sap Netweaver Application Server Java. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33687?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33687 published?: CVE-2021-33687 was published on 2021-07-14 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:sap:netweaver_application_server_java:7.10:*:*:*:*:*:*:*
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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