{"cve_id":"CVE-2018-0147","published":"2018-03-08T07:29:00.377000+00:00","last_modified":"2026-06-17T01:29:56.093000+00:00","vuln_status":"Analyzed","description":"A vulnerability in Java deserialization used by Cisco Secure Access Control System (ACS) prior to release 5.8 patch 9 could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected device. The vulnerability is due to insecure deserialization of user-supplied content by the affected software. An attacker could exploit this vulnerability by sending a crafted serialized Java object. An exploit could allow the attacker to execute arbitrary commands on the device with root privileges. Cisco Bug IDs: CSCvh25988.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","base_score":9.8,"base_severity":"CRITICAL","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-20","CWE-502"],"in_kev":true,"kev_date_added":"2022-03-25","kev_ransomware":false,"epss_score":0.18212,"epss_percentile":0.97212,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T08:43:52.221346+00:00","first_seen":"2018-03-08T07:29:00.377000+00:00","kev_first_seen":"2022-03-25T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["cisco"],"products":["secure_access_control_system"],"affected":[{"vendor":"cisco","product":"secure_access_control_system","ranges":["5.2\\(0.3\\)"]}]}