How severe is CVE-2020-4459?

CVE-2020-4459 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4459?

CVE-2020-4459 affects Ibm Security Secret Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4459?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-4459 published?

CVE-2020-4459 was published on 2020-08-04 and last updated on 2026-06-17.

CVE-2020-4459

CVE-2020-4459 is a critical-severity vulnerability in Ibm Security Secret Server with a CVSS 3.x base score of 9.8. 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Ibm Security Secret Server
Published: 2020-08-04
Last modified: 2026-06-17

Description

IBM Security Verify Access 10.7 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. IBM X-Force ID: 181395.

Frequently asked questions

What is CVE-2020-4459?: IBM Security Verify Access 10.7 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. IBM X-Force ID: 181395.
How severe is CVE-2020-4459?: CVE-2020-4459 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4459?: CVE-2020-4459 affects Ibm Security Secret Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-4459 published?: CVE-2020-4459 was published on 2020-08-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:security_secret_server:*:*:*:*:*:*:*:*

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