{"api_version":"1","generated_at":"2026-04-23T05:15:33+00:00","cve":"CVE-2021-32642","urls":{"html":"https://cve.report/CVE-2021-32642","api":"https://cve.report/api/cve/CVE-2021-32642.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-32642","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32642"},"summary":{"title":"CVE-2021-32642","description":"radsecproxy is a generic RADIUS proxy that supports both UDP and TLS (RadSec) RADIUS transports. Missing input validation in radsecproxy's `naptr-eduroam.sh` and `radsec-dynsrv.sh` scripts can lead to configuration injection via crafted radsec peer discovery DNS records. Users are subject to Information disclosure, Denial of Service, Redirection of Radius connection to a non-authenticated server leading to non-authenticated network access. Updated example scripts are available in the master branch and 1.9 release. Note that the scripts are not part of the installation package and are not updated automatically. If you are using the examples, you have to update them manually. The dyndisc scripts work independently of the radsecproxy code. The updated scripts can be used with any version of radsecproxy.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2021-05-28 17:15:00","updated_at":"2023-11-07 03:35:00"},"problem_types":["CWE-74"],"metrics":[],"references":[{"url":"https://www.usenix.org/conference/usenixsecurity21/presentation/jeitner","name":"https://www.usenix.org/conference/usenixsecurity21/presentation/jeitner","refsource":"MISC","tags":[],"title":"Injection Attacks Reloaded: Tunnelling Malicious Payloads over DNS | USENIX","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOC5AFG65NYLMMUTNSBOPC5F4LBAC7BR/","name":"FEDORA-2021-a4be4c93e4","refsource":"","tags":[],"title":"[SECURITY] Fedora 33 Update: radsecproxy-1.9.0-1.fc33 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W7QK5M2SZVMCAFSRQMM6PRZZRQQ372XI/","name":"FEDORA-2021-d3f8193065","refsource":"FEDORA","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOC5AFG65NYLMMUTNSBOPC5F4LBAC7BR/","name":"FEDORA-2021-a4be4c93e4","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 33 Update: radsecproxy-1.9.0-1.fc33 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/radsecproxy/radsecproxy/security/advisories/GHSA-56gw-9rj9-55rc","name":"https://github.com/radsecproxy/radsecproxy/security/advisories/GHSA-56gw-9rj9-55rc","refsource":"CONFIRM","tags":[],"title":"Missing input validation in dynamic discovery example scripts. · Advisory · radsecproxy/radsecproxy · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7QK5M2SZVMCAFSRQMM6PRZZRQQ372XI/","name":"FEDORA-2021-d3f8193065","refsource":"","tags":[],"title":"[SECURITY] Fedora 34 Update: radsecproxy-1.9.0-1.fc34 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-32642","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32642","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"32642","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"33","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"32642","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"34","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"32642","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"uninett","cpe5":"radsecproxy","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-32642","qid":"179590","title":"Debian Security Update for radsecproxy (CVE-2021-32642)"},{"cve":"CVE-2021-32642","qid":"281614","title":"Fedora Security Update for radsecproxy (FEDORA-2021-d3f8193065)"},{"cve":"CVE-2021-32642","qid":"281615","title":"Fedora Security Update for radsecproxy (FEDORA-2021-a4be4c93e4)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-32642","STATE":"PUBLIC","TITLE":"Missing input validation in dynamic discovery example scripts."},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"radsecproxy","version":{"version_data":[{"version_value":"< 1.9.0"}]}}]},"vendor_name":"radsecproxy"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"radsecproxy is a generic RADIUS proxy that supports both UDP and TLS (RadSec) RADIUS transports. Missing input validation in radsecproxy's `naptr-eduroam.sh` and `radsec-dynsrv.sh` scripts can lead to configuration injection via crafted radsec peer discovery DNS records. Users are subject to Information disclosure, Denial of Service, Redirection of Radius connection to a non-authenticated server leading to non-authenticated network access. Updated example scripts are available in the master branch and 1.9 release. Note that the scripts are not part of the installation package and are not updated automatically. If you are using the examples, you have to update them manually. The dyndisc scripts work independently of the radsecproxy code. The updated scripts can be used with any version of radsecproxy."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-20: Improper Input Validation"}]}]},"references":{"reference_data":[{"name":"https://www.usenix.org/conference/usenixsecurity21/presentation/jeitner","refsource":"MISC","url":"https://www.usenix.org/conference/usenixsecurity21/presentation/jeitner"},{"name":"https://github.com/radsecproxy/radsecproxy/security/advisories/GHSA-56gw-9rj9-55rc","refsource":"CONFIRM","url":"https://github.com/radsecproxy/radsecproxy/security/advisories/GHSA-56gw-9rj9-55rc"},{"refsource":"FEDORA","name":"FEDORA-2021-a4be4c93e4","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOC5AFG65NYLMMUTNSBOPC5F4LBAC7BR/"},{"refsource":"FEDORA","name":"FEDORA-2021-d3f8193065","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W7QK5M2SZVMCAFSRQMM6PRZZRQQ372XI/"}]},"source":{"advisory":"GHSA-56gw-9rj9-55rc","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2021-05-28 17:15:00","lastModifiedDate":"2023-11-07 03:35:00","problem_types":["CWE-74"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.4,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.5},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:uninett:radsecproxy:*:*:*:*:*:*:*:*","versionEndExcluding":"1.9.0","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"32642","Ordinal":"208030","Title":"CVE-2021-32642","CVE":"CVE-2021-32642","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"32642","Ordinal":"1","NoteData":"radsecproxy is a generic RADIUS proxy that supports both UDP and TLS (RadSec) RADIUS transports. Missing input validation in radsecproxy's `naptr-eduroam.sh` and `radsec-dynsrv.sh` scripts can lead to configuration injection via crafted radsec peer discovery DNS records. Users are subject to Information disclosure, Denial of Service, Redirection of Radius connection to a non-authenticated server leading to non-authenticated network access. Updated example scripts are available in the master branch and 1.9 release. Note that the scripts are not part of the installation package and are not updated automatically. If you are using the examples, you have to update them manually. The dyndisc scripts work independently of the radsecproxy code. The updated scripts can be used with any version of radsecproxy.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"32642","Ordinal":"2","NoteData":"2021-05-28","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"32642","Ordinal":"3","NoteData":"2021-06-09","Type":"Other","Title":"Modified"}]}}}