{"id":"CVE-2023-47039","aliases":["BELL-CVE-2023-47039","EUVD-2023-51194","GHSA-44qm-928x-6p3g","UBUNTU-CVE-2023-47039","openSUSE-SU-2024:13479-1"],"status":"published","title":"Perl: perl for windows binary hijacking vulnerability","description":"A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path environment variable to find the shell (`cmd.exe`). When running an executable that uses the Windows Perl interpreter, Perl attempts to find and execute `cmd.exe` within the operating system. However, due to path search order issues, Perl initially looks for cmd.exe in the current working directory. This flaw allows an attacker with limited privileges to place`cmd.exe` in locations with weak permissions, such as `C:\\ProgramData`. By doing so, arbitrary code can be executed when an administrator attempts to use this executable from these compromised locations.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00417,"percentile":0.36454,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2023-11-25T17:00:00Z","modified":"2026-11-11T09:37:50Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.14.2-21build1","5.18.1-4","5.18.1-4build1","5.18.1-5","5.18.2-2","5.18.2-2ubuntu1","5.18.2-2ubuntu1.1","5.18.2-2ubuntu1.3","5.18.2-2ubuntu1.4","5.18.2-2ubuntu1.6","5.18.2-2ubuntu1.7","5.18.2-2ubuntu1.7+esm3","5.18.2-2ubuntu1.7+esm4","5.18.2-2ubuntu1.7+esm5","5.18.2-2ubuntu1.7+esm7","5.18.2-2ubuntu1.7+esm8","5.18.2-2ubuntu1.7+esm9","5.18.2-2ubuntu1.7+esm10"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.20.2-6","5.22.1-3","5.22.1-4","5.22.1-5","5.22.1-7","5.22.1-8","5.22.1-9","5.22.1-9ubuntu0.2","5.22.1-9ubuntu0.3","5.22.1-9ubuntu0.5","5.22.1-9ubuntu0.6","5.22.1-9ubuntu0.9","5.22.1-9ubuntu0.9+esm1","5.22.1-9ubuntu0.9+esm2","5.22.1-9ubuntu0.9+esm3","5.22.1-9ubuntu0.9+esm4","5.22.1-9ubuntu0.9+esm5"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.26.0-8ubuntu1","5.26.1-2ubuntu1","5.26.1-3","5.26.1-4","5.26.1-4build1","5.26.1-5","5.26.1-6","5.26.1-6ubuntu0.1","5.26.1-6ubuntu0.2","5.26.1-6ubuntu0.3","5.26.1-6ubuntu0.5","5.26.1-6ubuntu0.6","5.26.1-6ubuntu0.7","5.26.1-6ubuntu0.7+esm2","5.26.1-6ubuntu0.7+esm3","5.26.1-6ubuntu0.7+esm4","5.26.1-6ubuntu0.7+esm5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"perl6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.c-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.28.1-6build1","5.30.0-7","5.30.0-9","5.30.0-9build1","5.30.0-9ubuntu0.2","5.30.0-9ubuntu0.3","5.30.0-9ubuntu0.4","5.30.0-9ubuntu0.5","5.30.0-9ubuntu0.5+esm2","5.30.0-9ubuntu0.5+esm3","5.30.0-9ubuntu0.5+esm4","5.30.0-9ubuntu0.5+esm5"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"perl6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.d-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.32.1-3ubuntu3","5.34.0-3ubuntu1","5.34.0-3ubuntu1.1","5.34.0-3ubuntu1.2","5.34.0-3ubuntu1.3","5.34.0-3ubuntu1.4","5.34.0-3ubuntu1.5","5.34.0-3ubuntu1.7","5.34.0-3ubuntu1.8","5.34.0-3ubuntu1.9","5.34.0-3ubuntu1.10"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.38.2-1.1"}]}],"bundled":2}],"products":[{"vendor":"perl","product":"perl"},{"vendor":"red hat","product":"red hat enterprise linux 6"},{"vendor":"red hat","product":"red hat enterprise linux 7"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-47039","tags":["vdb-entry","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory"]},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746","tags":["x_transferred","Mailing List","Patch","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2249525","tags":["issue-tracking","x_refsource_REDHAT","x_transferred","Issue Tracking","report"]},{"url":"https://security.netapp.com/advisory/ntap-20240208-0005/","tags":["x_transferred","advisory"]},{"url":"https://perldoc.perl.org/perl5382delta#CVE-2023-47039-Perl-for-Windows-binary-hijacking-vulnerability","tags":["x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47039","tags":["advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20240208-0005"},{"url":"https://github.com/advisories/GHSA-44qm-928x-6p3g"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2023-47039","tags":["advisory"]},{"url":"https://access.redhat.com/downloads/content/package-browser/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47039.json","tags":["advisory"]},{"url":"https://github.com/Perl/perl5","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2023-47039","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-47039","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2023-47038","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-47039","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2023-47039","title":"Perl: perl for windows binary hijacking vulnerability","description":"A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path environment variable to find the shell (`cmd.exe`). When running an executable that uses the Windows Perl interpreter, Perl attempts to find and execute `cmd.exe` within the operating system. However, due to path search order issues, Perl initially looks for cmd.exe in the current working directory. This flaw allows an attacker with limited privileges to place`cmd.exe` in locations with weak permissions, such as `C:\\ProgramData`. By doing so, arbitrary code can be executed when an administrator attempts to use this executable from these compromised locations.","status":"published","published":"2024-01-02T05:30:53.168Z","modified":"2025-11-20T17:57:11.573Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:14.298866Z"}],"euvd":[{"id":"EUVD-2023-51194","description":"A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path environment variable to find the shell (`cmd.exe`). When running an executable that uses the Windows Perl interpreter, Perl attempts to find and execute `cmd.exe` within the operating system. However, due to path search order issues, Perl initially looks for cmd.exe in the current working directory. This flaw allows an attacker with limited privileges to place`cmd.exe` in locations with weak permissions, such as `C:\\ProgramData`. By doing so, arbitrary code can be executed when an administrator attempts to use this executable from these compromised locations.","status":"published","published":"2024-01-02T05:30:53Z","modified":"2025-11-20T17:57:11Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:14.564249Z"}],"ghsa":[{"id":"GHSA-44qm-928x-6p3g","title":"A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on...","description":"A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path environment variable to find the shell (`cmd.exe`). When running an executable that uses the Windows Perl interpreter, Perl attempts to find and execute `cmd.exe` within the operating system. However, due to path search order issues, Perl initially looks for cmd.exe in the current working directory. This flaw allows an attacker with limited privileges to place`cmd.exe` in locations with weak permissions, such as `C:\\ProgramData`. By doing so, arbitrary code can be executed when an administrator attempts to use this executable from these compromised locations.","status":"published","published":"2024-01-02T06:30:31Z","modified":"2024-04-07T05:08:12Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:57:03.777371Z"}],"nvd":[{"id":"CVE-2023-47039","description":"A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path environment variable to find the shell (`cmd.exe`). When running an executable that uses the Windows Perl interpreter, Perl attempts to find and execute `cmd.exe` within the operating system. However, due to path search order issues, Perl initially looks for cmd.exe in the current working directory. This flaw allows an attacker with limited privileges to place`cmd.exe` in locations with weak permissions, such as `C:\\ProgramData`. By doing so, arbitrary code can be executed when an administrator attempts to use this executable from these compromised locations.","status":"published","published":"2024-01-02T06:15:13.737Z","modified":"2026-06-17T06:32:01.283Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:08:59.830468Z"}],"osv":[{"id":"BELL-CVE-2023-47039","title":"CVE-2023-47039 does not affect BellSoft software","status":"withdrawn","published":"2023-11-27T05:58:09.316108Z","modified":"2026-01-26T09:47:48.207139Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:17.742221Z"},{"id":"CVE-2023-47039","title":"Perl: perl for windows binary hijacking vulnerability","description":"A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path environment variable to find the shell (`cmd.exe`). When running an executable that uses the Windows Perl interpreter, Perl attempts to find and execute `cmd.exe` within the operating system. However, due to path search order issues, Perl initially looks for cmd.exe in the current working directory. This flaw allows an attacker with limited privileges to place`cmd.exe` in locations with weak permissions, such as `C:\\ProgramData`. By doing so, arbitrary code can be executed when an administrator attempts to use this executable from these compromised locations.","status":"published","published":"2024-01-02T05:30:53.168Z","modified":"2026-10-28T02:30:24.812511523Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:44:34.287121Z"},{"id":"UBUNTU-CVE-2023-47039","description":"A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path environment variable to find the shell (`cmd.exe`). When running an executable that uses the Windows Perl interpreter, Perl attempts to find and execute `cmd.exe` within the operating system. However, due to path search order issues, Perl initially looks for cmd.exe in the current working directory. This flaw allows an attacker with limited privileges to place`cmd.exe` in locations with weak permissions, such as `C:\\ProgramData`. By doing so, arbitrary code can be executed when an administrator attempts to use this executable from these compromised locations.","status":"published","published":"2023-11-25T17:00:00Z","modified":"2026-11-11T09:37:50.090953026Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-11T09:59:23.022466Z"},{"id":"openSUSE-SU-2024:13479-1","title":"perl-32bit-5.38.2-1.1 on GA media","description":"These are all security issues fixed in the perl-32bit-5.38.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:59:16.336764Z","updated_at":"2026-11-02T16:58:36.327643Z"}]}}