{"document":{"acknowledgments":[{"organization":"CERT@VDE","summary":"coordination","urls":["https://certvde.com"]},{"organization":"LEWA Attendorn GmbH","summary":"reporting."}],"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en-GB","notes":[{"category":"summary","text":"An issue was discovered in the mymbCONNECT24 and mbCONNECT24 software in all versions through V2.9.0.","title":"Summary"},{"category":"description","text":"Please consult the CVE Entry above.","title":"Impact"},{"category":"description","text":"Update mbCONNECT24/mymbCONNECT24 to 2.10.1","title":"Remediation"}],"publisher":{"category":"vendor","contact_details":"security-team@mbconnectline.de","name":"MB connect line GmbH","namespace":"https://mbconnectline.com"},"references":[{"category":"external","summary":"MB connect line advisory overview at CERT@VDE","url":"https://certvde.com/de/advisories/vendor/mbconnectline/"},{"category":"self","summary":"VDE-2021-037: MB connect line: Remote user enumeration in mbCONNECT24/mymbCONNECT24 - HTML","url":"https://certvde.com/en/advisories/VDE-2021-037"},{"category":"self","summary":"VDE-2021-037: MB connect line: Remote user enumeration in mbCONNECT24/mymbCONNECT24 - CSAF","url":"https://mbconnectline.csaf-tp.certvde.com/.well-known/csaf/white/2021/vde-2021-037.json"}],"title":"MB connect line: Remote user enumeration in mbCONNECT24/mymbCONNECT24","tracking":{"aliases":["VDE-2021-037"],"current_release_date":"2025-05-14T12:28:19.000Z","generator":{"date":"2025-03-21T11:49:51.085Z","engine":{"name":"Secvisogram","version":"2.5.21"}},"id":"VDE-2021-037","initial_release_date":"2021-10-27T10:15:00.000Z","revision_history":[{"date":"2021-10-27T10:15:00.000Z","number":"1","summary":"Initial revision."},{"date":"2025-05-14T12:28:19.000Z","number":"2","summary":"Fix: firmware category"}],"status":"final","version":"2"}},"product_tree":{"branches":[{"branches":[{"branches":[{"branches":[{"category":"product_version_range","name":"<=2.9.0","product":{"name":"mbCONNECT24 <=2.9.0","product_id":"CSAFPID-51001"}},{"category":"product_version","name":"2.10.1","product":{"name":"mbCONNECT24 2.10.1","product_id":"CSAFPID-52001"}}],"category":"product_name","name":"mbCONNECT24"},{"branches":[{"category":"product_version_range","name":"<=2.9.0","product":{"name":"mymbCONNECT24 <=2.9.0","product_id":"CSAFPID-51002"}},{"category":"product_version","name":"2.10.1","product":{"name":"mymbCONNECT24 2.10.1","product_id":"CSAFPID-52002"}}],"category":"product_name","name":"mymbCONNECT24"}],"category":"product_family","name":"Software"}],"category":"vendor","name":"MB connect line"}],"product_groups":[{"group_id":"CSAFGID-0001","product_ids":["CSAFPID-51001","CSAFPID-51002"],"summary":"Affected Products."},{"group_id":"CSAFGID-0002","product_ids":["CSAFPID-52001","CSAFPID-52002"],"summary":"Fixed Products."}]},"vulnerabilities":[{"cve":"CVE-2021-34580","cwe":{"id":"CWE-204","name":"Observable Response Discrepancy"},"notes":[{"category":"description","text":"An unauthenticated user can enumerate valid backend users by checking what kind of response the server sends for crafted invalid login attempts.","title":"Vulnerability Description"}],"product_status":{"fixed":["CSAFPID-52001","CSAFPID-52002"],"known_affected":["CSAFPID-51001","CSAFPID-51002"]},"remediations":[{"category":"vendor_fix","details":"Update mbCONNECT24/mymbCONNECT24 to 2.10.1","group_ids":["CSAFGID-0001"]}],"scores":[{"cvss_v3":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","environmentalScore":7.5,"environmentalSeverity":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","temporalScore":7.5,"temporalSeverity":"HIGH","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"products":["CSAFPID-51001","CSAFPID-51002"]}],"title":"CVE-2021-34580"}]}