How severe is CVE-2021-38947?

CVE-2021-38947 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 high, integrity none, and availability none.

Is CVE-2021-38947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38947?

CVE-2021-38947 affects Ibm Spectrum Copy Data Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38947?

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-2021-38947 published?

CVE-2021-38947 was published on 2021-12-13 and last updated on 2026-06-17.

CVE-2021-38947

CVE-2021-38947 is a high-severity vulnerability in Ibm Spectrum Copy Data Management 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-326.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Ibm Spectrum Copy Data Management
Published: 2021-12-13
Last modified: 2026-06-17

Description

IBM Spectrum Copy Data Management 2.2.13 and earlier uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 211242.

Frequently asked questions

What is CVE-2021-38947?: IBM Spectrum Copy Data Management 2.2.13 and earlier uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 211242.
How severe is CVE-2021-38947?: CVE-2021-38947 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 high, integrity none, and availability none.
Is CVE-2021-38947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38947?: CVE-2021-38947 affects Ibm Spectrum Copy Data Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38947?: 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-2021-38947 published?: CVE-2021-38947 was published on 2021-12-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:spectrum_copy_data_management:*:*:*:*:*:*:*:*

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