How severe is CVE-2025-33121?

CVE-2025-33121 has a CVSS 3.x base score of 7.1, 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 none, and availability low.

Is CVE-2025-33121 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-33121?

CVE-2025-33121 primarily affects Ibm Qradar Security Information And Event Manager. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-33121?

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.

Does CVE-2025-33121 have an EU (EUVD) identifier?

Yes. CVE-2025-33121 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25647.

When was CVE-2025-33121 published?

CVE-2025-33121 was published on 2025-06-19 and last updated on 2026-06-17.

CVE-2025-33121

CVE-2025-33121 is a high-severity vulnerability in Ibm Qradar Security Information And Event Manager with a CVSS 3.x base score of 7.1. 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-611.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25647
Weakness: CWE-611
Affected product: Ibm Qradar Security Information And Event Manager
Published: 2025-06-19
Last modified: 2026-06-17

Description

IBM QRadar SIEM 7.5 through 7.5.0 Update Package 12 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

Frequently asked questions

What is CVE-2025-33121?: IBM QRadar SIEM 7.5 through 7.5.0 Update Package 12 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
How severe is CVE-2025-33121?: CVE-2025-33121 has a CVSS 3.x base score of 7.1, 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 none, and availability low.
Is CVE-2025-33121 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-33121?: CVE-2025-33121 primarily affects Ibm Qradar Security Information And Event Manager. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-33121?: 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.
Does CVE-2025-33121 have an EU (EUVD) identifier?: Yes. CVE-2025-33121 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25647.
When was CVE-2025-33121 published?: CVE-2025-33121 was published on 2025-06-19 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7237317

Affected products (13)

cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:-:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_1:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_10:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_11:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_12:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_2:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_3:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_4:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_5:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_6:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_7:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_8:*:*:*:*:*:*
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_9:*:*:*:*:*:*

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