CVE-2020-4462

IBM Sterling External Authentication Server 6.0.1, 6.0.0, 2.4.3.2, and 2.4.2 and IBM Sterling Secure Proxy 6.0.1, 6.0.0, 3.4.3, and 3.4.2 are 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: 181482.

CVSS v3 8.2 HIGH
CVSS v2.0 6.4 MEDIUM

8.2^/10

CVSS v3 : HIGH

V3 Legend

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

V2 Legend

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/181482	VDB Entry Vendor Advisory
https://www.ibm.com/support/pages/node/6249317	Vendor Advisory
https://www.ibm.com/support/pages/node/6249331	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/181482	VDB Entry Vendor Advisory
https://www.ibm.com/support/pages/node/6249317	Vendor Advisory
https://www.ibm.com/support/pages/node/6249331	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.2.0:::::::*
	cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.3.2:::::::*
	cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.0.0:::::::*
	cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.1.0:::::::*
	cpe:2.3:a:ibm:sterling_secure_proxy:3.4.2.0:::::::*
	cpe:2.3:a:ibm:sterling_secure_proxy:3.4.3.0:::::::*
	cpe:2.3:a:ibm:sterling_secure_proxy:6.0.0.0:::::::*
	cpe:2.3:a:ibm:sterling_secure_proxy:6.0.1.0:::::::*

History

21 Nov 2024, 05:32

Type	Values Removed	Values Added
References	~~() https://exchange.xforce.ibmcloud.com/vulnerabilities/181482 - VDB Entry, Vendor Advisory~~	() https://exchange.xforce.ibmcloud.com/vulnerabilities/181482 - VDB Entry, Vendor Advisory
References	~~() https://www.ibm.com/support/pages/node/6249317 - Vendor Advisory~~	() https://www.ibm.com/support/pages/node/6249317 - Vendor Advisory
References	~~() https://www.ibm.com/support/pages/node/6249331 - Vendor Advisory~~	() https://www.ibm.com/support/pages/node/6249331 - Vendor Advisory

Information

Published : 2020-07-16 15:15

Updated : 2024-11-21 05:32

NVD link : CVE-2020-4462

Mitre link : CVE-2020-4462

CVE.ORG link : CVE-2020-4462

JSON object : View

Products Affected

ibm

sterling_external_authentication_server
sterling_secure_proxy

CWE

CWE-611

Improper Restriction of XML External Entity Reference

{"id": "CVE-2020-4462", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/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}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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}]}, "published": "2020-07-16T15:15:28.080", "references": [{"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/181482", "tags": ["VDB Entry", "Vendor Advisory"], "source": "psirt@us.ibm.com"}, {"url": "https://www.ibm.com/support/pages/node/6249317", "tags": ["Vendor Advisory"], "source": "psirt@us.ibm.com"}, {"url": "https://www.ibm.com/support/pages/node/6249331", "tags": ["Vendor Advisory"], "source": "psirt@us.ibm.com"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/181482", "tags": ["VDB Entry", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.ibm.com/support/pages/node/6249317", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.ibm.com/support/pages/node/6249331", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-611"}]}], "descriptions": [{"lang": "en", "value": "IBM Sterling External Authentication Server 6.0.1, 6.0.0, 2.4.3.2, and 2.4.2 and IBM Sterling Secure Proxy 6.0.1, 6.0.0, 3.4.3, and 3.4.2 are 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: 181482."}, {"lang": "es", "value": "IBM Sterling External Authentication Server versiones 6.0.1, 6.0.0, 2.4.3.2 y 2.4.2 e IBM Sterling Secure Proxy versiones 6.0.1, 6.0.0, 3.4.3 y 3.4.2, son vulnerables a un ataque de tipo XML External Entity Injection (XXE) al procesar datos XML. Un atacante remoto podr\u00eda explotar esta vulnerabilidad para exponer informaci\u00f3n confidencial o consumir recursos de memoria. IBM X-Force ID: 181482"}], "lastModified": "2024-11-21T05:32:45.803", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2F8FA2E7-723E-4E0E-B087-F403FB0563D7"}, {"criteria": "cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.3.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36EA9E71-6071-4461-9084-61DBFA9563EA"}, {"criteria": "cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "87730FD5-7211-4E32-8741-6472718180F4"}, {"criteria": "cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4299C0FA-56DD-4577-8247-35BB68E5B754"}, {"criteria": "cpe:2.3:a:ibm:sterling_secure_proxy:3.4.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "40C2F1D6-A380-4B2E-8650-7C8B8E5DECE4"}, {"criteria": "cpe:2.3:a:ibm:sterling_secure_proxy:3.4.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D879BAB-BBB2-415B-916B-48EFB9025FCE"}, {"criteria": "cpe:2.3:a:ibm:sterling_secure_proxy:6.0.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D950A8E-5DCF-4EA2-B99F-D5B7FF3A99BC"}, {"criteria": "cpe:2.3:a:ibm:sterling_secure_proxy:6.0.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "87CFA6CB-3A0A-4B86-A0AA-CA71E800606E"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@us.ibm.com"}

8.2 /10

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

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

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Attach tags to `CVE-2020-4462`