VULNERABILITY INTELLIGENCE
CVE-2021-20454
CVSS score8.2 HIGH
EPSS probability2.79%
CISA KEVNot currently listed
Published2021-04-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Description
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a 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: 196649.
Weakness classification
- nvd@nist.gov: CWE-611
Primary references
- psirt@us.ibm.com — Third Party Advisory, VDB Entry
- psirt@us.ibm.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory