{"id":"CVE-2020-3476","published":"2020-09-24T17:52:53Z","modified":"2024-11-13T17:57:51Z","title":"Cisco IOS XE Software Arbitrary File Overwrite Vulnerability","vendor":"Cisco","product":"Cisco IOS XE Software","tier":"core","eol":null,"description":{"text":"A vulnerability in the CLI implementation of a specific command of Cisco IOS XE Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying host file system. The vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":4.4,"severity":"MEDIUM","version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00269,"percentile":0.191,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-552","name":"Files or Directories Accessible to External Parties"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-file-overwrite-Ynu5PrJD","tags":["vendor-advisory","x_refsource_CISCO"]}],"techniques":[{"id":"T1078","name":"Valid Accounts","tactics":["initial-access","persistence","privilege-escalation","stealth"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 2)","mappingType":"exploitation_technique","evidence":[],"confidence":"high"},{"id":"T1565.001","name":"Stored Data Manipulation","tactics":["impact"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 2)","mappingType":"primary_impact","evidence":[],"confidence":"high"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2020-24747","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-24747","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1078"],"provenance":"source"},{"stage":"primary","techniques":["T1565.001"],"provenance":"source"}],"timeline":[{"date":"2020-09-24","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2020-3476","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":6.9,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":3.82,"detail":"percentile 0.1910"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":3.08,"detail":"base score 4.4"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}