{"schemaVersion":3,"id":"CVE-2020-3453","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers could allow an authenticated, remote attacker with administrative credentials to execute arbitrary commands on the underlying operating system (OS) as a restricted user. For more information about these vulnerabilities, see the Details section of this advisory.","dates":{"published":"2020-09-04T02:26:06.067Z","modified":"2024-11-13T18:07:44.172Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.7,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:A/AC:L/Au:S/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":4.7,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.7,"severity":"high","vector":"AV:A/AC:L/Au:S/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.03083,"percentile":0.87496,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.03083},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03083,"percentile":0.87496}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03083,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03083,"percentile":0.87496}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"},{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"cisco","product":"cisco small business rv series router firmware","name":"Cisco Small Business RV Series Router Firmware","label":"cisco small business rv series router firmware","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"n/a","noFixRecorded":false,"fixedIn":null}],"versionsText":"n/a","eol":null,"hubHref":"/vendor/cisco/cisco_small_business_rv_series_router_firmware"},{"vendor":"cisco","product":"rv340_firmware","name":"rv340 firmware","label":"rv340_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.03.19","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.03.19","eol":null,"hubHref":"/vendor/cisco/rv340"},{"vendor":"cisco","product":"rv340w_firmware","name":"rv340w firmware","label":"rv340w_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.03.19","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.03.19","eol":null,"hubHref":"/vendor/cisco/rv340w"},{"vendor":"cisco","product":"rv345_firmware","name":"rv345 firmware","label":"rv345_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.03.19","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.03.19","eol":null,"hubHref":"/vendor/cisco/rv345"},{"vendor":"cisco","product":"rv345p_firmware","name":"rv345p firmware","label":"rv345p_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.03.19","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.03.19","eol":null,"hubHref":"/vendor/cisco/rv345p"}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-osinj-rce-pwTkPCJv","label":"tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-osinj-rce-pwTkPCJv","hostname":"tools.cisco.com","tags":["Vendor Advisory","X Refsource CISCO"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1101/","label":"www.zerodayinitiative.com/advisories/ZDI-20-1101/","hostname":"www.zerodayinitiative.com","tags":["X Refsource MISC","Third Party Advisory","VDB Entry"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-09-04T02:26:06.067Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-11-13T18:07:44.172Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T08:36:36.752Z","stale":false,"partial":false}}