{"id":"CVE-2020-1752","title":"A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out","summary":"A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A lo…","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-416","CWE-416"],"vendor":"gnu","product":"glibc","affected":["glibc < 2.32.0","ubuntu_linux = 16.04","ubuntu_linux = 18.04","ubuntu_linux = 19.10","active_iq_unified_manager >= 9.5","hci_management_node","solidfire","steelstore_cloud_integrated_storage","h410c_firmware","debian_linux = 10.0"],"patched":["glibc 2.32.0"],"published":"2020-04-30","updated":"2026-10-14","sourceUpdated":"2026-10-14T09:17:18.887","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-1752","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1752","label":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E","label":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html","label":"secalert@redhat.com"},{"url":"https://security.gentoo.org/glsa/202101-20","label":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20200511-0005/","label":"secalert@redhat.com"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=25414","label":"secalert@redhat.com"},{"url":"https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ddc650e9b3dc916eab417ce9f79e67337b05035c","label":"secalert@redhat.com"},{"url":"https://usn.ubuntu.com/4416-1/","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1752","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202101-20","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20200511-0005/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=25414","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ddc650e9b3dc916eab417ce9f79e67337b05035c","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4416-1/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-831302.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.00535,"epssPercentile":0.43581,"ingestedAt":"2026-10-14T09:24:26.055Z","slug":"CVE-2020-1752","body":"## Overview\n\nA use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that, when processed by the glob function, would potentially lead to arbitrary code execution. This was fixed in version 2.32.\n\n## Affected\n\n- `glibc < 2.32.0`\n- `ubuntu_linux = 16.04`\n- `ubuntu_linux = 18.04`\n- `ubuntu_linux = 19.10`\n- `active_iq_unified_manager >= 9.5`\n- `hci_management_node`\n- `solidfire`\n- `steelstore_cloud_integrated_storage`\n- `h410c_firmware`\n- `debian_linux = 10.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `glibc 2.32.0`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}