{"id":"CVE-2023-48056","aliases":["GHSA-fxff-wxxv-c2jc","PYSEC-2023-245"],"url":"https://o3.security/vulnerability/CVE-2023-48056","summary":"PyPinkSign uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption","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.","published":"2023-11-16T00:00:00Z","modified":"2026-08-12T03:51:43.761397444Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"pypinksign","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://gxx777.github.io/PyPinkSign_v0.5.1_Cryptographic_API_Misuse_Vulnerability.md"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48056.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48056"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:43.761397444Z"}}