CVE-2020-4509 json
IBM QRadar SIEM 7.3 and 7.4 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data.
published 2020-06-04 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25756
- cvss
- 7.6
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.6 | CVSS:3.0/PR:H/UI:N/A:L/S:C/AC:L/I:N/AV:N/C:H/RL:O/RC:C/E:U |
| NVD | 3.1 | 7.6 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L |
| CNA | 3.0 | 7.6 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L |
| NVD | 2.0 | 5.5 | AV:N/AC:L/Au:S/C:P/I:N/A:P |
Affected products
- IBM QRadar SIEM
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
ibm.com
/support/pages/node/6220154
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/182364
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4509
- NVD CVE-2020-4509
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.