CVE-2026-24061

{"id": "CVE-2026-24061", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-24061", "role": "CISA Coordinator", "options": [{"exploitation": "active"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-01-27T04:55:30.344896Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "GNU", "product": "Inetutils", "versions": [{"status": "affected", "version": "1.9.3", "versionType": "custom", "lessThanOrEqual": "2.7"}], "defaultStatus": "unknown"}]}], "published": "2026-01-21T07:16:01.597", "references": [{"url": "https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://lists.gnu.org/archive/html/bug-inetutils/2026-01/msg00004.html", "tags": ["Mitigation", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://redteam.ae/blog/cve-2026-24061-inetutils-telnetd-root-bypass", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.gnu.org/software/inetutils/", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://www.openwall.com/lists/oss-security/2026/01/20/2", "tags": ["Mailing List"], "source": "cve@mitre.org"}, {"url": "https://www.openwall.com/lists/oss-security/2026/01/20/8", "tags": ["Mailing List"], "source": "cve@mitre.org"}, {"url": "https://www.vicarius.io/vsociety/posts/cve-2026-24061-detection-script-remote-authentication-bypass-in-gnu-inetutils-package", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.vicarius.io/vsociety/posts/cve-2026-24061-mitigation-script-remote-authentication-bypass-in-gnu-inetutils-package", "tags": ["Mitigation", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/01/22/1", "tags": ["Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2026/01/msg00025.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24061", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://www.labs.greynoise.io/grimoire/2026-01-22-f-around-and-find-out-18-hours-of-unsolicited-houseguests/index.html", "tags": ["Exploit", "Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://www.openwall.com/lists/oss-security/2026/01/20/2#:~:text=root@...a%3A~%20USER='", "tags": ["Mailing List", "Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-88"}]}], "descriptions": [{"lang": "en", "value": "telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a \"-f root\" value for the USER environment variable."}, {"lang": "es", "value": "telnetd en GNU Inetutils a trav\u00e9s de 2.7 permite la omisi\u00f3n de autenticaci\u00f3n remota a trav\u00e9s de un valor '-f root' para la variable de entorno USER."}], "lastModified": "2026-09-30T11:47:02.427", "cisaActionDue": "2026-02-16", "cisaExploitAdd": "2026-01-26", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A15FADC-AD86-4C11-B182-C1AC2D73A3BE", "versionEndIncluding": "2.7", "versionStartIncluding": "1.9.3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org", "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "GNU InetUtils Argument Injection Vulnerability"}