How severe is CVE-2021-38177?

CVE-2021-38177 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-2021-38177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38177?

CVE-2021-38177 affects Sap Commoncryptolib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38177?

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-2021-38177 published?

CVE-2021-38177 was published on 2021-09-14 and last updated on 2026-06-17.

CVE-2021-38177

CVE-2021-38177 is a high-severity vulnerability in Sap Commoncryptolib 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. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Sap Commoncryptolib
Published: 2021-09-14
Last modified: 2026-06-17

Description

SAP CommonCryptoLib version 8.5.38 or lower is vulnerable to null pointer dereference vulnerability when an unauthenticated attacker sends crafted malicious data in the HTTP requests over the network, this causes the SAP application to crash and has high impact on the availability of the SAP system.

Frequently asked questions

What is CVE-2021-38177?: SAP CommonCryptoLib version 8.5.38 or lower is vulnerable to null pointer dereference vulnerability when an unauthenticated attacker sends crafted malicious data in the HTTP requests over the network, this causes the SAP application to crash and has high impact on the availability of the SAP system.
How severe is CVE-2021-38177?: CVE-2021-38177 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-2021-38177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38177?: CVE-2021-38177 affects Sap Commoncryptolib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38177?: 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-2021-38177 published?: CVE-2021-38177 was published on 2021-09-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sap:commoncryptolib:*:*:*:*:*:*:*:*

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