How severe is CVE-2021-27618?

CVE-2021-27618 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 none, integrity none, and availability high.

Is CVE-2021-27618 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27618?

CVE-2021-27618 primarily affects Sap Netweaver Process Integration. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-27618?

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

When was CVE-2021-27618 published?

CVE-2021-27618 was published on 2021-05-11 and last updated on 2026-06-17.

CVE-2021-27618

CVE-2021-27618 is a medium-severity vulnerability in Sap Netweaver Process Integration 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Sap Netweaver Process Integration
Published: 2021-05-11
Last modified: 2026-06-17

Description

The Integration Builder Framework of SAP Process Integration versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not check the file type extension of the file uploaded from local source. An attacker could craft a malicious file and upload it to the application, which could lead to denial of service and impact the availability of the application.

Frequently asked questions

What is CVE-2021-27618?: The Integration Builder Framework of SAP Process Integration versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not check the file type extension of the file uploaded from local source. An attacker could craft a malicious file and upload it to the application, which could lead to denial of service and impact the availability of the application.
How severe is CVE-2021-27618?: CVE-2021-27618 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 none, integrity none, and availability high.
Is CVE-2021-27618 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27618?: CVE-2021-27618 primarily affects Sap Netweaver Process Integration. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-27618?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27618 published?: CVE-2021-27618 was published on 2021-05-11 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:sap:netweaver_process_integration:7.10:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_process_integration:7.11:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_process_integration:7.20:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_process_integration:7.30:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_process_integration:7.31:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_process_integration:7.40:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_process_integration:7.50:*:*:*:*:*:*:*

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