High severity · published Apr 20, 2021
CVE-2021-20453
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
8.2
CVSS
2.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Websphere Application Server · Ibm
8.0.0.0 before 8.0.0.15; 8.5.0.0 before 8.5.5.20; 9.0.0.0 before 9.0.5.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20453
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20453
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/196648
Patch
https://www.ibm.com/support/pages/node/6445171
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