{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-61984", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-10-08T03:55:09.867Z", "dateReserved": "2025-10-06T00:00:00.000Z", "datePublished": "2025-10-06T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "OpenSSH", "vendor": "OpenBSD", "versions": [{"lessThan": "10.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-159", "description": "CWE-159 Improper Handling of Invalid Use of Special Elements", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-10-06T18:17:49.959Z"}, "references": [{"url": "https://www.openwall.com/lists/oss-security/2025/10/06/1"}, {"url": "https://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2"}, {"url": "https://www.openssh.com/releasenotes.html#10.1p1"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 3.6, "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N"}}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.1"}]}]}]}, "adp": [{"references": [{"url": "https://dgl.cx/2025/10/bash-a-newline-ssh-proxycommand-cve-2025-61984", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-07T00:00:00+00:00", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2025-61984"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-08T03:55:09.867Z"}}]}, "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-61984", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-10-07T13:38:50.155795Z"}}}], "references": [{"url": "https://dgl.cx/2025/10/bash-a-newline-ssh-proxycommand-cve-2025-61984", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-06T18:36:46.952Z"}}], "cna": {"metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 3.6, "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N"}}], "affected": [{"vendor": "OpenBSD", "product": "OpenSSH", "versions": [{"status": "affected", "version": "0", "lessThan": "10.1", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.openwall.com/lists/oss-security/2025/10/06/1"}, {"url": "https://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2"}, {"url": "https://www.openssh.com/releasenotes.html#10.1p1"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "descriptions": [{"lang": "en", "value": "ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-159", "description": "CWE-159 Improper Handling of Invalid Use of Special Elements"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "10.1"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-10-06T18:17:49.959Z"}}}, "cveMetadata": {"cveId": "CVE-2025-61984", "state": "PUBLISHED", "dateUpdated": "2025-10-08T03:55:09.867Z", "dateReserved": "2025-10-06T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2025-10-06T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)"}], "id": "CVE-2025-61984", "lastModified": "2025-10-08T19:38:32.610", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.6, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 2.5, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2025-10-06T19:15:36.157", "references": [{"source": "cve@mitre.org", "url": "https://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2"}, {"source": "cve@mitre.org", "url": "https://www.openssh.com/releasenotes.html#10.1p1"}, {"source": "cve@mitre.org", "url": "https://www.openwall.com/lists/oss-security/2025/10/06/1"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://dgl.cx/2025/10/bash-a-newline-ssh-proxycommand-cve-2025-61984"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-159"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{"bugzilla": {"description": "openssh: From CVEorg collector", "id": "2401960", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401960"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-159", "details": ["ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)"], "name": "CVE-2025-61984", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2025-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-61984\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-61984\nhttps://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2\nhttps://www.openssh.com/releasenotes.html#10.1p1\nhttps://www.openwall.com/lists/oss-security/2025/10/06/1"], "threat_severity": "Moderate"}