How severe is CVE-2020-4609?

CVE-2020-4609 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4609 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4609?

CVE-2020-4609 affects Ibm Security Verify Privilege Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4609?

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-2020-4609 published?

CVE-2020-4609 was published on 2021-06-25 and last updated on 2026-06-17.

CVE-2020-4609

CVE-2020-4609 is a high-severity vulnerability in Ibm Security Verify Privilege Manager with a CVSS 3.x base score of 7.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Ibm Security Verify Privilege Manager
Published: 2021-06-25
Last modified: 2026-06-17

Description

IBM Security Sevret Server (IBM Security Verify Privilege Manager 10.8.2) is vulnerable to a buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and execute arbitrary code on the system or cause the system to crash. IBM X-Force ID: 184917.

Frequently asked questions

What is CVE-2020-4609?: IBM Security Sevret Server (IBM Security Verify Privilege Manager 10.8.2) is vulnerable to a buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and execute arbitrary code on the system or cause the system to crash. IBM X-Force ID: 184917.
How severe is CVE-2020-4609?: CVE-2020-4609 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4609 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4609?: CVE-2020-4609 affects Ibm Security Verify Privilege Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4609?: 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-2020-4609 published?: CVE-2020-4609 was published on 2021-06-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:security_verify_privilege_manager:*:*:*:*:*:*:*:*

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