{"id":"UBUNTU-CVE-2023-46894","details":"An issue discovered in esptool 4.6.2 allows attackers to view sensitive information via weak cryptographic algorithm.","modified":"2026-05-20T16:07:46.258537547Z","published":"2023-11-09T16:15:00Z","upstream":["CVE-2023-46894"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-46894"},{"type":"REPORT","url":"https://github.com/espressif/esptool/issues/926"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-46894"}],"affected":[{"package":{"name":"esptool","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/esptool?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.6-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.4.6-1","binary_name":"esptool"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-46894.json"}},{"package":{"name":"esptool","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/esptool?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.6-1","2.1+dfsg1-1","2.1+dfsg1-2"],"ecosystem_specific":{"binaries":[{"binary_name":"esptool","binary_version":"2.1+dfsg1-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-46894.json"}},{"package":{"name":"esptool","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/esptool?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6+dfsg-1","2.8+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"esptool","binary_version":"2.8+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-46894.json"}},{"package":{"name":"esptool","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/esptool?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.8+dfsg-1","binary_name":"esptool"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-46894.json"}},{"package":{"name":"esptool","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/esptool?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.6.2+dfsg-0.1","4.7.0+dfsg-0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.7.0+dfsg-0.1","binary_name":"esptool"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-46894.json"}},{"package":{"name":"esptool","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/esptool?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.0+dfsg-0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"esptool","binary_version":"4.7.0+dfsg-0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-46894.json"}},{"package":{"name":"esptool","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/esptool?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.0+dfsg-0.1","4.7.0+dfsg-0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"esptool","binary_version":"4.7.0+dfsg-0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-46894.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}