How severe is CVE-2017-16691?

CVE-2017-16691 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-16691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16691?

CVE-2017-16691 primarily affects Sap Business Application Software Integrated Solution. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-16691?

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

When was CVE-2017-16691 published?

CVE-2017-16691 was published on 2017-12-12 and last updated on 2026-06-17.

CVE-2017-16691

CVE-2017-16691 is a medium-severity vulnerability in Sap Business Application Software Integrated Solution 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.8
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Sap Business Application Software Integrated Solution
Published: 2017-12-12
Last modified: 2026-06-17

Description

SAP Note Assistant tool (SAP BASIS from 7.00 to 7.02, from 7.10 to 7.11, 7.30, 7.31,7.40, from 7.50 to 7.52) supports upload of digitally signed note file of type 'SAR'. The digital signature verification is done together with the extraction of note file contained in the SAR archive. It is possible to append a tampered file to the SAR archive using SAPCAR tool and during the extraction, digital signature verification fails but the tampered file is extracted.

Frequently asked questions

What is CVE-2017-16691?: SAP Note Assistant tool (SAP BASIS from 7.00 to 7.02, from 7.10 to 7.11, 7.30, 7.31,7.40, from 7.50 to 7.52) supports upload of digitally signed note file of type 'SAR'. The digital signature verification is done together with the extraction of note file contained in the SAR archive. It is possible to append a tampered file to the SAR archive using SAPCAR tool and during the extraction, digital signature verification fails but the tampered file is extracted.
How severe is CVE-2017-16691?: CVE-2017-16691 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-16691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16691?: CVE-2017-16691 primarily affects Sap Business Application Software Integrated Solution. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-16691?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-16691 published?: CVE-2017-16691 was published on 2017-12-12 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:sap:business_application_software_integrated_solution:7.00:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.01:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.02:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.10:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.11:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.30:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.31:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.40:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.50:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.51:*:*:*:*:*:*:*
cpe:2.3:a:sap:business_application_software_integrated_solution:7.52:*:*:*:*:*:*:*

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