{"id": "CVE-2021-3999", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "
[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2022-08-24T16:15:09.077", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2021-3999", "tags": ["Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024637", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://security-tracker.debian.org/tracker/CVE-2021-3999", "tags": ["Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://security.netapp.com/advisory/ntap-20221104-0001/", "tags": ["Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=28769", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=23e0e8f5f1fb5ed150253d986ecccdc90c2dcd5e", "source": "
[email protected]"}, {"url": "https://www.openwall.com/lists/oss-security/2022/01/24/4", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://access.redhat.com/security/cve/CVE-2021-3999", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024637", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security-tracker.debian.org/tracker/CVE-2021-3999", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20221104-0001/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=28769", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=23e0e8f5f1fb5ed150253d986ecccdc90c2dcd5e", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.openwall.com/lists/oss-security/2022/01/24/4", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "
[email protected]", "description": [{"lang": "en", "value": "CWE-193"}]}, {"type": "Secondary", "source": "
[email protected]", "description": [{"lang": "en", "value": "CWE-193"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in glibc. An off-by-one buffer overflow and underflow in getcwd() may lead to memory corruption when the size of the buffer is exactly 1. A local attacker who can control the input buffer and size passed to getcwd() in a setuid program could use this flaw to potentially execute arbitrary code and escalate their privileges on the system."}, {"lang": "es", "value": "Se ha encontrado un fallo en glibc. Un desbordamiento y subdesbordamiento de b\u00fafer en la funci\u00f3n getcwd() puede conllevar a una corrupci\u00f3n de memoria cuando el tama\u00f1o del b\u00fafer es exactamente 1. Un atacante local que pueda controlar el b\u00fafer de entrada y el tama\u00f1o pasado a getcwd() en un programa setuid podr\u00eda usar este fallo para ejecutar potencialmente c\u00f3digo arbitrario y escalar sus privilegios en el sistema."}], "lastModified": "2025-12-02T21:15:49.210", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "580654C1-5047-40F4-9518-2AACF59AC357", "versionEndExcluding": "2.31"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24B8DB06-590A-4008-B0AB-FCD1401C77C6"}, {"criteria": "cpe:2.3:a:netapp:nfs_plug-in:*:*:*:*:*:vmware_vaai:*:*", "vulnerable": true, "matchCriteriaId": "67C3FDD1-BB06-4F30-BA15-4AA98212CB8B"}, {"criteria": "cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7CF3019-975D-40BB-A8A4-894E62BD3797"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CDDF61B7-EC5C-467C-B710-B89F502CD04F"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "
[email protected]"}
