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Vulnerability record · CVE-2021-20502 · published 30 March 2021

CVE-2021-20502: Ibm engineering insights xml external entity (xxe) vulnerability

Ibm · Engineering Insights

IBM Jazz Foundation Products are 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: 198059.

7.1 CVSS 3.1 High EPSS 1.4% · top 28.6% CWE-611 · XML external entity (XXE)
7.1CVSS 3.1 base score, v2 5.5
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

IBM Jazz Foundation Products are 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: 198059.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://exchange.xforce.ibmcloud.com/vulnerabilities/198059 VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6437579 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/198059 VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6437579 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-20502), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.