How severe is CVE-2019-4536?

CVE-2019-4536 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-4536 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4536?

CVE-2019-4536 affects Ibm I. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4536?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-4536 published?

CVE-2019-4536 was published on 2019-08-29 and last updated on 2026-06-17.

CVE-2019-4536

CVE-2019-4536 is a medium-severity vulnerability in Ibm I with a CVSS 3.x base score of 6.3. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 3.3
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Ibm I
Published: 2019-08-29
Last modified: 2026-06-17

Description

IBM i 7.4 users who have done a Restore User Profile (RSTUSRPRF) on a system which has been configured with Db2 Mirror for i might have user profiles with elevated privileges caused by incorrect processing during a restore of multiple user profiles. A user with restore privileges could exploit this vulnerability to obtain elevated privileges on the restored system. IBM X-Force ID: 165592.

Frequently asked questions

What is CVE-2019-4536?: IBM i 7.4 users who have done a Restore User Profile (RSTUSRPRF) on a system which has been configured with Db2 Mirror for i might have user profiles with elevated privileges caused by incorrect processing during a restore of multiple user profiles. A user with restore privileges could exploit this vulnerability to obtain elevated privileges on the restored system. IBM X-Force ID: 165592.
How severe is CVE-2019-4536?: CVE-2019-4536 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-4536 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4536?: CVE-2019-4536 affects Ibm I. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4536?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4536 published?: CVE-2019-4536 was published on 2019-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*

More vulnerabilities in Ibm I

CVE-2026-7870 — High (CVSS 8.8): IBM i 7.6, 7.5, 7.4, and 7.3 could allow a user to gain elevated privileges due to an unqualified library call. A…
CVE-2025-36367 — High (CVSS 8.8): IBM i 7.6, 7.5, 7.4, 7.3, and 7.2 is vulnerable to privilege escalation caused by an invalid IBM i SQL services…
CVE-2025-36004 — High (CVSS 8.8): IBM i 7.2, 7.3, 7.4, and 7.5 could allow a user to gain elevated privileges due to an unqualified library call in IBM…
CVE-2022-22495 — High (CVSS 8.8): IBM i 7.3, 7.4, and 7.5 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements,…
CVE-2023-30990 — High (CVSS 8.6): IBM i 7.2, 7.3, 7.4, and 7.5 could allow a remote attacker to execute CL commands as QUSER, caused by an exploitation…
CVE-2025-33108 — High (CVSS 8.5): IBM Backup, Recovery and Media Services for i 7.4 and 7.5 could allow a user with the capability to compile or restore…

All CVEs affecting Ibm I →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →