{"document":{"acknowledgments":[{"organization":"CERTVDE","summary":"coordination","urls":["https://certvde.com"]},{"organization":"LEWA Attendorn GmbH","summary":"reporting","urls":["https://lewa-attendorn.com"]}],"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 myREX24 and myREX24-virtual software in all versions through V2.9.0.","title":"Summary"},{"category":"description","text":"Update myREX24/myREX24-virtual to 2.10.1","title":"Remediation"}],"publisher":{"category":"vendor","contact_details":"psirt@helmholz.de","name":"Helmholz GmbH & Co. KG","namespace":"https://www.helmholz.de"},"references":[{"category":"self","summary":"VDE-2021-058: Helmholz: Remote user enumeration in myREX24/myREX24-virtual - HTML","url":"https://certvde.com/de/advisories/VDE-2021-058/"},{"category":"external","summary":"CERT@VDE Security Advisories for Helmholz GmbH & Co. KG","url":"https://certvde.com/en/advisories/vendor/helmholz/"},{"category":"self","summary":"VDE-2021-058: Helmholz: Remote user enumeration in myREX24/myREX24-virtual - CSAF","url":"https://helmholz.csaf-tp.certvde.com/.well-known/csaf/white/2021/vde-2021-058.json"}],"title":"Helmholz: Remote user enumeration in myREX24/myREX24-virtual","tracking":{"aliases":["VDE-2021-058"],"current_release_date":"2025-05-14T13:00:14.000Z","generator":{"date":"2025-03-05T11:50:43.266Z","engine":{"name":"Secvisogram","version":"2.5.18"}},"id":"VDE-2021-058","initial_release_date":"2021-12-08T13:04:00.000Z","revision_history":[{"date":"2021-12-08T13:04:00.000Z","number":"1","summary":"initial revision"},{"date":"2025-05-14T13:00:14.000Z","number":"2","summary":"Fix: added distribution"}],"status":"final","version":"2"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"myREX24","product":{"name":"myREX24","product_id":"CSAFPID-11001"}},{"category":"product_name","name":"myREX24-virtual","product":{"name":"myREX24-virtual","product_id":"CSAFPID-11002"}}],"category":"product_family","name":"Hardware"},{"branches":[{"category":"product_version_range","name":"<=2.9.0","product":{"name":"Firmware <=2.9.0","product_id":"CSAFPID-21001"}},{"category":"product_version","name":"2.10.1","product":{"name":"Firmware 2.10.1","product_id":"CSAFPID-22001"}}],"category":"product_family","name":"Firmware"}],"category":"vendor","name":"Helmholz GmbH & Co. KG"}],"product_groups":[{"group_id":"CSAFGID-0001","product_ids":["CSAFPID-31001","CSAFPID-31002"],"summary":"affected products"},{"group_id":"CSAFGID-0002","product_ids":["CSAFPID-32001","CSAFPID-32002"],"summary":"fixed products"}],"relationships":[{"category":"installed_on","full_product_name":{"name":"Firmware <=2.9.0 installed on myREX24","product_id":"CSAFPID-31001"},"product_reference":"CSAFPID-21001","relates_to_product_reference":"CSAFPID-11001"},{"category":"installed_on","full_product_name":{"name":"Firmware 2.10.1 installed on myREX24","product_id":"CSAFPID-32001"},"product_reference":"CSAFPID-22001","relates_to_product_reference":"CSAFPID-11001"},{"category":"installed_on","full_product_name":{"name":"Firmware <=2.9.0 installed on myREX24-virtual","product_id":"CSAFPID-31002"},"product_reference":"CSAFPID-21001","relates_to_product_reference":"CSAFPID-11002"},{"category":"installed_on","full_product_name":{"name":"Firmware 2.10.1 installed on myREX24-virtual","product_id":"CSAFPID-32002"},"product_reference":"CSAFPID-22001","relates_to_product_reference":"CSAFPID-11002"}]},"vulnerabilities":[{"cve":"CVE-2021-34580","cwe":{"id":"CWE-204","name":"Observable Response Discrepancy"},"notes":[{"category":"summary","text":"An unauthenticated user can enumerate valid backend users by checking what kind of response the server sends for crafted invalid login attempts."}],"product_status":{"fixed":["CSAFPID-32001","CSAFPID-32002"],"known_affected":["CSAFPID-31001","CSAFPID-31002"]},"remediations":[{"category":"vendor_fix","details":"Update myREX24/myREX24-virtual 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-31001","CSAFPID-31002"]}],"title":"CVE-2021-34580"}]}