CVE-2021-20353

moderate-risk
Published 2021-02-10

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 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: 194882.

Do I need to act?

~
1.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.2/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Ibm

References (6)

VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/194882
Patch https://www.ibm.com/support/pages/node/6413709
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-174/
VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/194882
Patch https://www.ibm.com/support/pages/node/6413709
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-174/
37
/ 100
moderate-risk
Severity 28/34 · Critical
Exploitability 4/34 · Minimal
Exposure 5/34 · Minimal