{"cve":"CVE-2020-16849","nvd":{"published":"2020-11-30T22:15:10.777","modified":"2026-06-17T02:58:08.300","status":"Modified","description":"An issue was discovered on Canon MF237w 06.07 devices. An \"Improper Handling of Length Parameter Inconsistency\" issue in the IPv4/ICMPv4 component, when handling a packet sent by an unauthenticated network attacker, may expose Sensitive Information.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":[],"references":["https://blog.scadafence.com/vulnerability-report-cve-2020-16849","https://www.canon-europe.com/support/product-security/","https://blog.scadafence.com/vulnerability-report-cve-2020-16849","https://www.canon-europe.com/support/product-security/"],"products":["canon:ir2202n_firmware","canon:ir2204f_firmware","canon:ir2204n_firmware","canon:ir2206if_firmware","canon:ir2206n_firmware","canon:lbp113w_firmware","canon:lbp151dw_firmware","canon:lbp162dw_firmware","canon:mf113w_firmware","canon:mf212w_firmware","canon:mf216n_firmware","canon:mf217w_firmware","canon:mf226dn_firmware","canon:mf229dw_firmware","canon:mf231_firmware","canon:mf232w_firmware","canon:mf237w_firmware","canon:mf244dw_firmware","canon:mf247dw_firmware","canon:mf249dw_firmware","canon:mf264dw_firmware","canon:mf267dw_firmware","canon:mf269dw_firmware","canon:mf4570dn_firmware","canon:mf4580dn_firmware","canon:mf4780w_firmware","canon:mf4870dn_firmware","canon:mf4890dw_firmware"],"source":"nvd","synced_at":"2026-10-19T21:11:20.317016139+00:00"},"epss":{"cve":"CVE-2020-16849","score":0.01144,"percentile":0.66721,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}