{"id":"PYSEC-2023-245","details":"PyPinkSign v0.5.1 uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption. This vulnerability can lead to the disclosure of information and communications.","aliases":["CVE-2023-48056","GHSA-fxff-wxxv-c2jc"],"modified":"2026-06-10T17:01:45.721564291Z","published":"2023-11-16T18:15:00Z","references":[{"type":"WEB","url":"http://bandoche.com"},{"type":"WEB","url":"http://pypinksign.com"},{"type":"WEB","url":"https://gxx777.github.io/PyPinkSign_v0.5.1_Cryptographic_API_Misuse_Vulnerability.md"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-fxff-wxxv-c2jc"}],"affected":[{"package":{"name":"pypinksign","ecosystem":"PyPI","purl":"pkg:pypi/pypinksign"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1","0.1.1","0.2","0.2.1","0.2.2","0.2.3","0.3","0.4","0.4.1","0.4.2","0.4.3","0.4.4","0.4.5","0.5.0","0.5.1","0.5.2","0.5.3","0.5.4"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/pypinksign/PYSEC-2023-245.yaml"}}],"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"}]}