How severe is CVE-2019-4036?

CVE-2019-4036 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 none, integrity none, and availability high.

Is CVE-2019-4036 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4036?

CVE-2019-4036 affects Ibm Security Access Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4036?

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-2019-4036 published?

CVE-2019-4036 was published on 2019-10-25 and last updated on 2026-06-17.

CVE-2019-4036

CVE-2019-4036 is a high-severity vulnerability in Ibm Security Access Manager 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Security Access Manager
Published: 2019-10-25
Last modified: 2026-06-17

Description

IBM Security Access Manager Appliance could allow unauthenticated attacker to cause a denial of service in the reverse proxy component. IBM X-Force ID: 156159.

Frequently asked questions

What is CVE-2019-4036?: IBM Security Access Manager Appliance could allow unauthenticated attacker to cause a denial of service in the reverse proxy component. IBM X-Force ID: 156159.
How severe is CVE-2019-4036?: CVE-2019-4036 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 none, integrity none, and availability high.
Is CVE-2019-4036 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4036?: CVE-2019-4036 affects Ibm Security Access Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4036?: 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-2019-4036 published?: CVE-2019-4036 was published on 2019-10-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:security_access_manager:*:*:*:*:*:*:*:*

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