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 v3.0 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3.0 : 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://www.ibm.com/support/pages/node/6496789	Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/195568	VDB Entry Vendor Advisory

Advertisement

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::::::::

Information

Published : 2021-10-07 11:15

Updated : 2022-05-03 09:04

NVD link : CVE-2021-20376

Mitre link : CVE-2021-20376

JSON object : View

CWE

CWE-203

Observable Discrepancy

Advertisement

Products Affected

ibm

sterling_b2b_integrator

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.ibm.com/support/pages/node/6496789", "name": "https://www.ibm.com/support/pages/node/6496789", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/195568", "name": "ibm-sterling-cve202120376-info-disc (195568)", "tags": ["VDB Entry", "Vendor Advisory"], "refsource": "XF"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-203"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-20376", "ASSIGNER": "psirt@us.ibm.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2021-10-07T18:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "5.2.6.5_3", "versionStartIncluding": "2.2.0.0"}, {"cpe23Uri": "cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "6.1.0.1", "versionStartIncluding": "6.1.0.0"}, {"cpe23Uri": "cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "6.0.3.4", "versionStartIncluding": "6.0.0.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-05-03T16:04Z"}