CVE-2021-20376

IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to enumerate usernames due to there being an observable discrepancy in returned messages. IBM X-Force ID: 195568.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/195568	VDB Entry Vendor Advisory
https://www.ibm.com/support/pages/node/6496789	Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/195568	VDB Entry Vendor Advisory
https://www.ibm.com/support/pages/node/6496789	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:sterling_b2b_integrator::::::::
	cpe:2.3:a:ibm:sterling_b2b_integrator::::::::
	cpe:2.3:a:ibm:sterling_b2b_integrator::::::::

History

21 Nov 2024, 05:46

Type	Values Removed	Values Added
References	~~() https://exchange.xforce.ibmcloud.com/vulnerabilities/195568 - VDB Entry, Vendor Advisory~~	() https://exchange.xforce.ibmcloud.com/vulnerabilities/195568 - VDB Entry, Vendor Advisory
References	~~() https://www.ibm.com/support/pages/node/6496789 - Patch, Vendor Advisory~~	() https://www.ibm.com/support/pages/node/6496789 - Patch, Vendor Advisory

Information

Published : 2021-10-07 18:15

Updated : 2024-11-21 05:46

NVD link : CVE-2021-20376

Mitre link : CVE-2021-20376

CVE.ORG link : CVE-2021-20376

JSON object : View

Products Affected

ibm

sterling_b2b_integrator

CWE

CWE-203

Observable Discrepancy

{"id": "CVE-2021-20376", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2021-10-07T18:15:07.930", "references": [{"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/195568", "tags": ["VDB Entry", "Vendor Advisory"], "source": "psirt@us.ibm.com"}, {"url": "https://www.ibm.com/support/pages/node/6496789", "tags": ["Patch", "Vendor Advisory"], "source": "psirt@us.ibm.com"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/195568", "tags": ["VDB Entry", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.ibm.com/support/pages/node/6496789", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-203"}]}], "descriptions": [{"lang": "en", "value": "IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to enumerate usernames due to there being an observable discrepancy in returned messages. IBM X-Force ID: 195568."}, {"lang": "es", "value": "IBM Sterling File Gateway versiones 2.2.0.0 hasta 6.1.1.0, podr\u00eda permitir a un atacante autenticado enumerar nombres de usuario debido a que se presenta una discrepancia observable en los mensajes devueltos. IBM X-Force ID: 195568"}], "lastModified": "2024-11-21T05:46:29.450", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C893D1D7-595B-4F18-9B8D-26B147381C60", "versionEndIncluding": "5.2.6.5_3", "versionStartIncluding": "2.2.0.0"}, {"criteria": "cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2D0AE86C-118E-4C7F-AD75-7D7D857DBAA1", "versionEndIncluding": "6.0.3.4", "versionStartIncluding": "6.0.0.0"}, {"criteria": "cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0BC5C66-A045-428C-97F5-F5383C85AD7F", "versionEndIncluding": "6.1.0.1", "versionStartIncluding": "6.1.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@us.ibm.com"}