CVE-2021-20454high

CVE-2021-20454: high-severity vulnerability in IBM WebSphere Application Server

Published · Updated

Follow this CVE+ Monitor WebSphere Application Server

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.2epss 2.8%
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.
CVSS:3.0/I:N/PR:N/AC:L/A:L/UI:N/AV:N/S:U/C:H/RL:O/E:U/RC:C
Affected products
IBM · WebSphere Application Server
Related CVEs — IBM WebSphere Application Server

In the same product, most dangerous first.

CVE-2019-4279CRITICALCVE-2019-4279EPSS 79.9%CVE-2020-4450CRITICALCVE-2020-4450EPSS 34.7%CVE-2025-36038CRITICALIBM WebSphere Application Server code executionEPSS 13.3%CVE-2020-4464HIGHCVE-2020-4464EPSS 13.2%CVE-2020-4448CRITICALCVE-2020-4448EPSS 12.5%CVE-2020-4589HIGHCVE-2020-4589EPSS 8.5%