{"id":"CVE-2021-40720","aliases":["GHSA-x23q-4j9j-9cxw","PYSEC-2021-380"],"url":"https://o3.security/vulnerability/CVE-2021-40720","summary":"Ops CLI Deserialization of Untrusted Data vulnerability","details":"Ops CLI version 2.0.4 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary code execution when the checkout_repo function is called on a maliciously crafted file. An attacker can leverage this to execute arbitrary code on the victim machine.","published":"2021-10-15T15:15:08.530Z","modified":"2026-07-09T06:35:28.358872Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.09515,"percentile":0.95023,"asOf":"2026-08-18"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"ops-cli","fixedVersion":"2.0.5"}],"fix":null,"references":[{"type":"FIX","url":"https://helpx.adobe.com/security/products/ops_cli/apsb21-88.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40720"},{"type":"PACKAGE","url":"https://github.com/adobe/ops-cli"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/ops-cli/PYSEC-2021-380.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T06:35:28.358872Z"}}