{"id":"CVE-2021-37587","details":"In Charm 0.43, any single user can decrypt DAC-MACS or MA-ABE-YJ14 data.","modified":"2026-07-09T05:44:38.271847Z","published":"2021-07-30T14:15:18.543Z","references":[{"type":"ADVISORY","url":"https://eprint.iacr.org/2020/460"},{"type":"ADVISORY","url":"https://jhuisi.github.io/charm/charm/schemes/abenc/abenc_dacmacs_yj14.html"},{"type":"ADVISORY","url":"https://www2.hci.uni-hannover.de/papers/Tan2019.pdf"},{"type":"REPORT","url":"https://github.com/JHUISI/charm/issues/276"},{"type":"FIX","url":"https://jhuisi.github.io/charm/_modules/abenc_maabe_yj14.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/jhuisi/charm","events":[{"introduced":"42e38b121edce8d9dad111a6ac919b420f6b1482"},{"last_affected":"42e38b121edce8d9dad111a6ac919b420f6b1482"}],"database_specific":{"extracted_events":[{"introduced":"0.43"},{"last_affected":"0.43"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:jhu:charm:0.43:*:*:*:*:*:*:*"}}],"versions":["0.43","v0.43"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37587.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}