How severe is CVE-2019-4509?

CVE-2019-4509 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-4509 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4509?

CVE-2019-4509 primarily affects Ibm Qradar Security Information And Event Manager. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-4509?

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

When was CVE-2019-4509 published?

CVE-2019-4509 was published on 2019-11-09 and last updated on 2026-06-17.

CVE-2019-4509

CVE-2019-4509 is a medium-severity vulnerability in Ibm Qradar Security Information And Event Manager with a CVSS 3.x base score of 4.3. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Ibm Qradar Security Information And Event Manager
Published: 2019-11-09
Last modified: 2026-06-17

Description

IBM QRadar 7.3.0 to 7.3.2 Patch 4 is vulnerable to incorrect authorization in some components which could allow an authenticated user to obtain sensitive information. IBM X-Force ID: 164430.

Frequently asked questions

What is CVE-2019-4509?: IBM QRadar 7.3.0 to 7.3.2 Patch 4 is vulnerable to incorrect authorization in some components which could allow an authenticated user to obtain sensitive information. IBM X-Force ID: 164430.
How severe is CVE-2019-4509?: CVE-2019-4509 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-4509 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4509?: CVE-2019-4509 primarily affects Ibm Qradar Security Information And Event Manager. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-4509?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4509 published?: CVE-2019-4509 was published on 2019-11-09 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.2:-:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.2:p1:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.2:p2:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.2:p3:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.2:p4:*:*:*:*:*:*

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Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →