{"cve":"CVE-2020-11977","nvd":{"published":"2020-09-15T20:15:13.040","modified":"2026-06-17T02:51:10.417","status":"Modified","description":"In Apache Syncope 2.1.X releases prior to 2.1.7, when the Flowable extension is enabled, an administrator with workflow entitlements can use Shell Service Tasks to perform malicious operations, including but not limited to file read, file write, and code execution.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":[],"references":["https://syncope.apache.org/security#CVE-2020-11977:_Remote_Code_Execution_via_Flowable_workflow_definition","https://syncope.apache.org/security#CVE-2020-11977:_Remote_Code_Execution_via_Flowable_workflow_definition"],"products":["apache:syncope"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-11977","score":0.02862,"percentile":0.86761,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-p2rp-cmjq-r7wm","url":"https://osv.dev/vulnerability/GHSA-p2rp-cmjq-r7wm","summary":"Shell command injection in Apache Syncope","modified":"2023-11-08T04:02:08.242687Z","packages":[{"ecosystem":"Maven","name":"org.apache.syncope:syncope","purl":"pkg:maven/org.apache.syncope/syncope","ranges":[">=2.1.0 <2.1.7"],"fixed":["2.1.7"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}