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CVE-2020-4509

IBM QRadar SIEM 7.3 and 7.4 is vulnerable to an XML External Entity Injection (XXE) attack when...

7.6 High

IBM QRadar SIEM 7.3 and 7.4 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. IBM X-Force ID: 182364.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
Low

Exploit likelihood

1.53%Down 4.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 7.6

IBM QRadar SIEM 7.3 and 7.4 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. IBM X-Force ID: 182364.

Record
CVE-2020-4509
CVSS 3.0
7.6 HighCVSS:3.0/PR:H/UI:N/A:L/S:C/AC:L/I:N/AV:N/C:H/RL:O/RC:C/E:U
Updated
2026-11-02
EUVDEUVD-2020-25756 7.6

IBM QRadar SIEM 7.3 and 7.4 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. IBM X-Force ID: 182364.

Record
EUVD-2020-25756
CVSS 3.0
7.6 HighCVSS:3.0/PR:H/UI:N/A:L/S:C/AC:L/I:N/AV:N/C:H/RL:O/RC:C/E:U
Updated
2026-11-03
GitHub AdvisoriesGHSA-h8c2-jx8p-hrh5 No score

IBM QRadar SIEM 7.3 and 7.4 is vulnerable to an XML External Entity Injection (XXE) attack when...

IBM QRadar SIEM 7.3 and 7.4 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. IBM X-Force ID: 182364.

Record
GHSA-h8c2-jx8p-hrh5
Updated
2026-11-02
NVD 7.6

IBM QRadar SIEM 7.3 and 7.4 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. IBM X-Force ID: 182364.

Record
CVE-2020-4509
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
CVSS 3.0
7.6 HighCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
CVSS 2.0
5.5 MediumAV:N/AC:L/Au:S/C:P/I:N/A:P
Weakness
CWE-611
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-4509 is a high vulnerability (CVSS 7.6) in Ibm Qradar Siem, published June 4, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.53%, the 74th percentile. No source names a fixed version.

References

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