How severe is CVE-2021-38181?

CVE-2021-38181 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 none, integrity none, and availability high.

Is CVE-2021-38181 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-2021-38181?

CVE-2021-38181 primarily affects Sap Netweaver Abap. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-38181?

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-2021-38181 published?

CVE-2021-38181 was published on 2021-10-12 and last updated on 2026-06-17.

CVE-2021-38181

CVE-2021-38181 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: 2021-10-12
Last modified: 2026-06-17

Description

SAP NetWeaver AS ABAP and ABAP Platform - versions 700, 701, 702, 730, 731, 740, 750, 751, 752, 753, 754, 755, 756, allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.

Frequently asked questions

What is CVE-2021-38181?: SAP NetWeaver AS ABAP and ABAP Platform - versions 700, 701, 702, 730, 731, 740, 750, 751, 752, 753, 754, 755, 756, allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.
How severe is CVE-2021-38181?: CVE-2021-38181 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 none, integrity none, and availability high.
Is CVE-2021-38181 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-2021-38181?: CVE-2021-38181 primarily affects Sap Netweaver Abap. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-38181?: 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-2021-38181 published?: CVE-2021-38181 was published on 2021-10-12 and last updated on 2026-06-17.

References

Affected products (26)

cpe:2.3:a:sap:netweaver_abap:700:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:701:*:*:*:*:*:*:*
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:751:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:752:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:753:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:754:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:755:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:756:*:*:*:*:*:*:*
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: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:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:753:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:754:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:755:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:756:*:*:*:*:*:*:*

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