How severe is CVE-2016-4407?

CVE-2016-4407 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-4407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4407?

CVE-2016-4407 affects Sap Sapcryptolib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4407?

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

When was CVE-2016-4407 published?

CVE-2016-4407 was published on 2016-10-13 and last updated on 2026-06-17.

CVE-2016-4407

CVE-2016-4407 is a medium-severity vulnerability in Sap Sapcryptolib 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Sap Sapcryptolib
Published: 2016-10-13
Last modified: 2026-06-17

Description

The DSA algorithm implementation in SAP SAPCRYPTOLIB 5.555.38 does not properly check signatures, which allows remote authenticated users to impersonate arbitrary users via unspecified vectors, aka SAP Security Note 2223008.

Frequently asked questions

What is CVE-2016-4407?: The DSA algorithm implementation in SAP SAPCRYPTOLIB 5.555.38 does not properly check signatures, which allows remote authenticated users to impersonate arbitrary users via unspecified vectors, aka SAP Security Note 2223008.
How severe is CVE-2016-4407?: CVE-2016-4407 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-4407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4407?: CVE-2016-4407 affects Sap Sapcryptolib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4407?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4407 published?: CVE-2016-4407 was published on 2016-10-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sap:sapcryptolib:5.555.38:*:*:*:*:*:*:*

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