How severe is CVE-2019-4545?

CVE-2019-4545 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 high, and availability none.

Is CVE-2019-4545 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4545?

CVE-2019-4545 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-2019-4545?

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-2019-4545 published?

CVE-2019-4545 was published on 2020-10-08 and last updated on 2026-06-17.

CVE-2019-4545

CVE-2019-4545 is a high-severity vulnerability in Ibm Qradar Security Information And Event 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: 4.3
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Qradar Security Information And Event Manager
Published: 2020-10-08
Last modified: 2026-06-17

Description

IBM QRadar SIEM 7.3 and 7.4 when configured to use Active Directory Authentication may be susceptible to spoofing attacks. IBM X-Force ID: 165877.

Frequently asked questions

What is CVE-2019-4545?: IBM QRadar SIEM 7.3 and 7.4 when configured to use Active Directory Authentication may be susceptible to spoofing attacks. IBM X-Force ID: 165877.
How severe is CVE-2019-4545?: CVE-2019-4545 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 high, and availability none.
Is CVE-2019-4545 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4545?: CVE-2019-4545 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-2019-4545?: 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-2019-4545 published?: CVE-2019-4545 was published on 2020-10-08 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:*:*:*:*:general_availability:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p1:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p2:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p3:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p4:*:*:*:*:*:*

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