Sign-up

ID

VAR-202104-0316


CVE

CVE-2021-20453


TITLE

IBM WebSphere Application Server external entity injection vulnerability

Trust: 0.6

sources: CNVD: CNVD-2021-30493

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. This product is a platform for JavaEE and Web service applications, as well as the foundation of the IBM WebSphere software platform

Trust: 1.53

sources: NVD: CVE-2021-20453 // CNVD: CNVD-2021-30493 // VULMON: CVE-2021-20453

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-30493

AFFECTED PRODUCTS

vendor:ibmmodel:websphere application serverscope:gteversion:8.5.0.0

Trust: 1.0

vendor:ibmmodel:websphere application serverscope:ltversion:8.5.5.20

Trust: 1.0

vendor:ibmmodel:websphere application serverscope:gteversion:8.0.0.0

Trust: 1.0

vendor:ibmmodel:websphere application serverscope:ltversion:9.0.5.8

Trust: 1.0

vendor:ibmmodel:websphere application serverscope:ltversion:8.0.0.15

Trust: 1.0

vendor:ibmmodel:websphere application serverscope:gteversion:9.0.0.0

Trust: 1.0

vendor:ibmmodel:websphere application serverscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2021-30493 // NVD: CVE-2021-20453

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-20453
value: HIGH

Trust: 1.0

psirt@us.ibm.com: CVE-2021-20453
value: HIGH

Trust: 1.0

CNVD: CNVD-2021-30493
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202104-1304
value: HIGH

Trust: 0.6

VULMON: CVE-2021-20453
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-20453
severity: MEDIUM
baseScore: 6.4
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

CNVD: CNVD-2021-30493
severity: HIGH
baseScore: 8.5
vectorString: AV:N/AC:L/AU:N/C:C/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 7.8
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-20453
baseSeverity: HIGH
baseScore: 8.2
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: LOW
exploitabilityScore: 3.9
impactScore: 4.2
version: 3.1

Trust: 1.0

psirt@us.ibm.com: CVE-2021-20453
baseSeverity: HIGH
baseScore: 8.2
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: LOW
exploitabilityScore: 3.9
impactScore: 4.2
version: 3.0

Trust: 1.0

sources: CNVD: CNVD-2021-30493 // VULMON: CVE-2021-20453 // CNNVD: CNNVD-202104-1304 // NVD: CVE-2021-20453 // NVD: CVE-2021-20453

PROBLEMTYPE DATA

problemtype:CWE-611

Trust: 1.0

sources: NVD: CVE-2021-20453

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-1304

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202104-1304

PATCH

title:Patch for IBM WebSphere Application Server external entity injection vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/260576

Trust: 0.6

title:IBM WebSphere Application Server Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=147716

Trust: 0.6

title:IBM: Security Bulletin: Vulnerabilities in WebSphere Application Server affect IBM Cloud Orchestrator and IBM Cloud Orchestrator Enterpriseurl:https://vulmon.com/vendoradvisory?qidtp=ibm_psirt_blog&qid=22986ded8d74eddc00105f1e8cbdce70

Trust: 0.1

sources: CNVD: CNVD-2021-30493 // VULMON: CVE-2021-20453 // CNNVD: CNNVD-202104-1304

EXTERNAL IDS

db:NVDid:CVE-2021-20453

Trust: 2.3

db:CNVDid:CNVD-2021-30493

Trust: 0.6

db:AUSCERTid:ESB-2021.1326

Trust: 0.6

db:CNNVDid:CNNVD-202104-1304

Trust: 0.6

db:VULMONid:CVE-2021-20453

Trust: 0.1

sources: CNVD: CNVD-2021-30493 // VULMON: CVE-2021-20453 // CNNVD: CNNVD-202104-1304 // NVD: CVE-2021-20453

REFERENCES

url:https://www.ibm.com/support/pages/node/6445171

Trust: 1.7

url:https://exchange.xforce.ibmcloud.com/vulnerabilities/196648

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-20453

Trust: 1.2

url:https://www.ibm.com/blogs/psirt/security-bulletin-vulnerabilities-in-websphere-application-server-affect-ibm-cloud-orchestrator-and-ibm-cloud-orchestrator-enterprise-3/

Trust: 0.7

url:https://vigilance.fr/vulnerability/websphere-as-external-xml-entity-injection-35114

Trust: 0.6

url:https://www.ibm.com/blogs/psirt/security-bulletin-websphere-application-server-is-vulnerable-to-an-xml-external-entity-xxe-injection-vulnerability-cve-2021-20453/

Trust: 0.6

url:https://www.ibm.com/blogs/psirt/security-bulletin-security-vulnerabilities-have-been-identified-in-ibm-websphere-application-server-used-by-ibm-infosphere-master-data-management-2/

Trust: 0.6

url:https://www.ibm.com/blogs/psirt/security-bulletin-embedded-websphere-application-server-is-vulnerable-to-an-xml-external-entity-xxe-injection-attack-and-affects-content-collector-for-email/

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.1326

Trust: 0.6

url:https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-affect-ibm-tivoli-monitoring-installed-websphere-application-server-2/

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/776.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-30493 // VULMON: CVE-2021-20453 // CNNVD: CNNVD-202104-1304 // NVD: CVE-2021-20453

SOURCES

db:CNVDid:CNVD-2021-30493
db:VULMONid:CVE-2021-20453
db:CNNVDid:CNNVD-202104-1304
db:NVDid:CVE-2021-20453

LAST UPDATE DATE

2024-11-23T22:11:01.380000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-30493date:2021-04-25T00:00:00
db:VULMONid:CVE-2021-20453date:2021-04-23T00:00:00
db:CNNVDid:CNNVD-202104-1304date:2022-05-06T00:00:00
db:NVDid:CVE-2021-20453date:2024-11-21T05:46:37.100

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-30493date:2021-04-23T00:00:00
db:VULMONid:CVE-2021-20453date:2021-04-20T00:00:00
db:CNNVDid:CNNVD-202104-1304date:2021-04-19T00:00:00
db:NVDid:CVE-2021-20453date:2021-04-20T12:15:12.853