How severe is CVE-2020-4254?

CVE-2020-4254 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-2020-4254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4254?

CVE-2020-4254 affects Ibm Security Guardium Big Data Intelligence. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4254?

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-2020-4254 published?

CVE-2020-4254 was published on 2020-10-16 and last updated on 2026-06-17.

CVE-2020-4254

CVE-2020-4254 is a high-severity vulnerability in Ibm Security Guardium Big Data Intelligence 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-327.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Ibm Security Guardium Big Data Intelligence
Published: 2020-10-16
Last modified: 2026-06-17

Description

IBM Security Guardium Big Data Intelligence 1.0 (SonarG) uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 175560.

Frequently asked questions

What is CVE-2020-4254?: IBM Security Guardium Big Data Intelligence 1.0 (SonarG) uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 175560.
How severe is CVE-2020-4254?: CVE-2020-4254 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-2020-4254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4254?: CVE-2020-4254 affects Ibm Security Guardium Big Data Intelligence. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4254?: 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-2020-4254 published?: CVE-2020-4254 was published on 2020-10-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:security_guardium_big_data_intelligence:1.0:*:*:*:*:*:*:*

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