CVE-2020-4499

CVE-2020-4499 is a critical-severity vulnerability in Ibm Security Access Manager 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.

Key facts

Description

IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client to bypass some or all of the authentication checks and gain access to applications. IBM X-Force ID: 182216.

Frequently asked questions

What is CVE-2020-4499?
IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client to bypass some or all of the authentication checks and gain access to applications. IBM X-Force ID: 182216.
How severe is CVE-2020-4499?
CVE-2020-4499 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-2020-4499 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4499?
CVE-2020-4499 primarily affects Ibm Security Access Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4499?
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-2020-4499 published?
CVE-2020-4499 was published on 2020-10-15 and last updated on 2026-06-17.

References

Affected products (2)

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