How severe is CVE-2019-4135?

CVE-2019-4135 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-4135 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4135?

CVE-2019-4135 affects Ibm Security Access Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4135?

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-2019-4135 published?

CVE-2019-4135 was published on 2019-06-25 and last updated on 2026-06-17.

CVE-2019-4135

CVE-2019-4135 is a high-severity vulnerability in Ibm Security Access Manager with a CVSS 3.x base score of 8.8. 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 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Security Access Manager
Published: 2019-06-25
Last modified: 2026-06-17

Description

IBM Security Access Manager 9.0.1 through 9.0.6 is affected by a security vulnerability that could allow authenticated users to impersonate other users. IBM X-Force ID: 158331.

Frequently asked questions

What is CVE-2019-4135?: IBM Security Access Manager 9.0.1 through 9.0.6 is affected by a security vulnerability that could allow authenticated users to impersonate other users. IBM X-Force ID: 158331.
How severe is CVE-2019-4135?: CVE-2019-4135 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-4135 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4135?: CVE-2019-4135 affects Ibm Security Access Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4135?: 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-2019-4135 published?: CVE-2019-4135 was published on 2019-06-25 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Ibm Security Access Manager

CVE-2018-1722 — Critical (CVSS 10.0): IBM Security Access Manager Appliance 9.0.4.0 and 9.0.5.0 could allow remote code execution when Advanced Access…
CVE-2020-4499 — Critical (CVSS 9.8): IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client…
CVE-2016-3028 — Critical (CVSS 9.1): IBM Security Access Manager for Web 7.0 before IF2 and 8.0 before 8.0.1.4 IF3 and Security Access Manager 9.0 before…
CVE-2018-1850 — High (CVSS 8.8): IBM Security Access Manager Appliance 9.0.3.1, 9.0.4.0 and 9.0.5.0 could allow unauthorized administration operations…
CVE-2016-3025 — High (CVSS 8.1): IBM Security Access Manager for Mobile 8.x before 8.0.1.4 IF3 and Security Access Manager 9.x before 9.0.1.0 IF5 do not…
CVE-2023-30998 — High (CVSS 7.8): IBM Security Access Manager Docker 10.0.0.0 through 10.0.7.1 could allow a local user to obtain root access due to…

All CVEs affecting Ibm Security Access Manager →