Vulnerability · Published Apr 20, 2021 · Assigned by ibm

CVE-2021-20453

High 8.2

In plain English

A high-severity security flaw in WebSphere Application Server from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities).

Severity (CVSS 3.0)8.2High
Exploit odds (30 days)2.5%top 15.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

IBM WebSphere Application Server 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: 196648.

Affected products (as reported)

VendorProductVersions
IBM WebSphere Application Server 8.08.59.0

References