{"cve":"CVE-2023-1523","nvd":{"published":"2023-09-01T19:15:42.707","modified":"2026-06-17T05:28:09.180","status":"Modified","description":"Using the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the controlling terminal which could allow it to cause arbitrary commands to be executed outside of the snap sandbox after the snap exits. Graphical terminal emulators like xterm, gnome-terminal and others are not affected - this can only be exploited when snaps are run on a virtual console.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":10.0},"cwes":["CWE-74"],"references":["https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1523","https://github.com/snapcore/snapd/pull/12849","https://marc.info/?l=oss-security&m=167879021709955&w=2","https://ubuntu.com/security/notices/USN-6125-1","https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1523"],"products":["canonical:snapd","canonical:ubuntu_linux"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-1523","score":0.01447,"percentile":0.73322,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}