How severe is CVE-2021-33677?

CVE-2021-33677 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-33677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33677?

CVE-2021-33677 primarily affects Sap Netweaver Abap. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33677?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-33677 published?

CVE-2021-33677 was published on 2021-07-14 and last updated on 2026-06-17.

CVE-2021-33677

CVE-2021-33677 is a high-severity vulnerability in Sap Netweaver Abap with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sap Netweaver Abap
Published: 2021-07-14
Last modified: 2026-06-17

Description

SAP NetWeaver ABAP Server and ABAP Platform, versions - 700, 702, 730, 731, 804, 740, 750, 784, expose functions to external which can lead to information disclosure.

Frequently asked questions

What is CVE-2021-33677?: SAP NetWeaver ABAP Server and ABAP Platform, versions - 700, 702, 730, 731, 804, 740, 750, 784, expose functions to external which can lead to information disclosure.
How severe is CVE-2021-33677?: CVE-2021-33677 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-33677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33677?: CVE-2021-33677 primarily affects Sap Netweaver Abap. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-33677 published?: CVE-2021-33677 was published on 2021-07-14 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:sap:netweaver_abap:700:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:702:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:730:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:731:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:740:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:750:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:784:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:804:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:730:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:*:*:*:*
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:784:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:804:*:*:*:*:*:*:*

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