{"action":"Upgrade pam-u2f to 1.1.0-1.1 or later.","affected":[{"fixed":"1.1.0-1.1","introduced":"0"}],"component":"pam-u2f","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.1.0-1.1"],"id":"tcs_01M5NFP2E1EV2JAVJVDFT1D3CT","modified_at":"2026-10-23T18:03:37.970377439Z","published_at":"2021-05-26T00:15:08.490Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-31924","https://security-tracker.debian.org/tracker/CVE-2021-31924"],"severity":{"label":"medium","score":6.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-31924#Debian:13/pam-u2f","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-31924"}],"summary":"Yubico pam-u2f before 1.1.1 has a logic issue that, depending on the pam-u2f configuration and the application used, could lead to a local PIN bypass. This issue does not allow user presence (touch) o"}