CVE-2021-20454

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 v3.0 8.2 HIGH
CVSS v2.0 6.4 MEDIUM

8.2^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/196649	Third Party Advisory VDB Entry
https://www.ibm.com/support/pages/node/6445481	Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:websphere_application_server:::::-:::*
	cpe:2.3:a:ibm:websphere_application_server:::::-:::*
	cpe:2.3:a:ibm:websphere_application_server::::::::
	cpe:2.3:a:ibm:websphere_application_server::::::::

Information

Published : 2021-04-21 05:15

Updated : 2021-04-23 12:48

NVD link : CVE-2021-20454

Mitre link : CVE-2021-20454

JSON object : View

CWE

CWE-611

Improper Restriction of XML External Entity Reference

Advertisement

Products Affected

ibm

websphere_application_server

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/196649", "name": "ibm-was-cve202120454-xxe (196649)", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "XF"}, {"url": "https://www.ibm.com/support/pages/node/6445481", "name": "https://www.ibm.com/support/pages/node/6445481", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-611"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-20454", "ASSIGNER": "psirt@us.ibm.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 4.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 3.9}}, "publishedDate": "2021-04-21T12:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "7.0.0.45", "versionStartIncluding": "7.0.0.0"}, {"cpe23Uri": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "8.0.0.15", "versionStartIncluding": "8.0.0.0"}, {"cpe23Uri": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "8.5.5.19", "versionStartIncluding": "8.5.0.0"}, {"cpe23Uri": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "9.0.5.7", "versionStartIncluding": "9.0.0.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-04-23T19:48Z"}