High severity · published Jun 4, 2020
CVE-2020-4509
IBM QRadar SIEM 7.3 and 7.4 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data
7.6
CVSS
1.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QS
Qradar Security Information And Event Manager · Ibm
7.3.0; 7.4.0 · source: NVD
Affected product
QS
Qradar Security Information And Event Manager
Ibm
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-4509
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-4509
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/182364
Vendor Advisory
https://www.ibm.com/support/pages/node/6220154
More from Qradar Security Information And Event Manager
9.8
CVE-2014-7169
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
9.8
CVE-2014-6271
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
9.8
CVE-2026-10025
IBM QRadar SIEM has an XML External Entity (XXE) injection vulnerability
9.8
CVE-2021-38869
IBM QRadar SIEM 7.3, 7.4, and 7.5 in some situations may not automatically log users out after they exceede their idle timeout
9.8
CVE-2020-4979
IBM QRadar SIEM 7.3 and 7.4 is vulnerable to insecure inter-deployment communication