How severe is CVE-2021-33678?

CVE-2021-33678 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2021-33678 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33678?

CVE-2021-33678 primarily affects Sap Netweaver Application Server Abap. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33678?

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

When was CVE-2021-33678 published?

CVE-2021-33678 was published on 2021-07-14 and last updated on 2026-06-17.

CVE-2021-33678

CVE-2021-33678 is a medium-severity vulnerability in Sap Netweaver Application Server Abap with a CVSS 3.x base score of 6.5. 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-95.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 7.5
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-95
Affected product: Sap Netweaver Application Server Abap
Published: 2021-07-14
Last modified: 2026-06-17

Description

A function module of SAP NetWeaver AS ABAP (Reconciliation Framework), versions - 700, 701, 702, 710, 711, 730, 731, 740, 750, 751, 752, 75A, 75B, 75B, 75C, 75D, 75E, 75F, allows a high privileged attacker to inject code that can be executed by the application. An attacker could thereby delete some critical information and could make the SAP system completely unavailable.

Frequently asked questions

What is CVE-2021-33678?: A function module of SAP NetWeaver AS ABAP (Reconciliation Framework), versions - 700, 701, 702, 710, 711, 730, 731, 740, 750, 751, 752, 75A, 75B, 75B, 75C, 75D, 75E, 75F, allows a high privileged attacker to inject code that can be executed by the application. An attacker could thereby delete some critical information and could make the SAP system completely unavailable.
How severe is CVE-2021-33678?: CVE-2021-33678 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-33678 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33678?: CVE-2021-33678 primarily affects Sap Netweaver Application Server Abap. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33678?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33678 published?: CVE-2021-33678 was published on 2021-07-14 and last updated on 2026-06-17.

References

Affected products (17)

cpe:2.3:a:sap:netweaver_application_server_abap:75a:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:75b:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:75c:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:75d:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:75e:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:75f:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:701:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:710:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:711:*:*:*:*:*:*:*
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:751:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:*:*:*:*

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