How severe is CVE-2020-4591?

CVE-2020-4591 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-4591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4591?

CVE-2020-4591 affects Ibm Spectrum Protect Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4591?

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

When was CVE-2020-4591 published?

CVE-2020-4591 was published on 2020-08-28 and last updated on 2026-06-17.

CVE-2020-4591

CVE-2020-4591 is a low-severity vulnerability in Ibm Spectrum Protect Server with a CVSS 3.x base score of 3.3. 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-311.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.9
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Ibm Spectrum Protect Server
Published: 2020-08-28
Last modified: 2026-06-17

Description

IBM Spectrum Protect Server 8.1.0.000 through 8.1.10.000 could disclose sensitive information in nondefault settings due to occasionally not encrypting the second chunk of an object in an encrypted container pool. IBM X-Force ID: 184746.

Frequently asked questions

What is CVE-2020-4591?: IBM Spectrum Protect Server 8.1.0.000 through 8.1.10.000 could disclose sensitive information in nondefault settings due to occasionally not encrypting the second chunk of an object in an encrypted container pool. IBM X-Force ID: 184746.
How severe is CVE-2020-4591?: CVE-2020-4591 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-4591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4591?: CVE-2020-4591 affects Ibm Spectrum Protect Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4591 published?: CVE-2020-4591 was published on 2020-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:spectrum_protect_server:*:*:*:*:*:*:*:*

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