{"id":"CVE-2021-20877","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-20877","generatedAt":"2026-10-28T00:33:21.047Z","title":"Cross-site scripting vulnerability in Canon laser printers and small office multifunctional printers (LBP162L/LBP162, MF4890dw, MF269dw/MF265dw/MF264dw/MF262dw, MF249dw/MF245dw/MF244dw/MF242dw/MF232w, and MF229dw/MF224dw/MF222dw sold in Japan,…","description":"Cross-site scripting vulnerability in Canon laser printers and small office multifunctional printers (LBP162L/LBP162, MF4890dw, MF269dw/MF265dw/MF264dw/MF262dw, MF249dw/MF245dw/MF244dw/MF242dw/MF232w, and MF229dw/MF224dw/MF222dw sold in Japan, imageCLASS MF Series (MF113W/MF212W/MF217W/MF227DW/MF229DW, MF232W/MF244DW/MF247DW/MF249DW, MF264DW/MF267DW/MF269DW/MF269DW VP, and MF4570DN/MF4570DW/MF4770N/MF4880DW/MF4890DW) and imageCLASS LBP Series (LBP113W/LBP151DW/LBP162DW ) sold in the US, and iSENSYS (LBP162DW, LBP113W, LBP151DW, MF269dw, MF267dw, MF264dw, MF113w, MF249dw, MF247dw, MF244dw, MF237w, MF232w, MF229dw, MF217w, MF212w, MF4780w, and MF4890dw) and imageRUNNER (2206IF, 2204N, and 2204F) sold in Europe) allows remote attackers to inject an arbitrary script via unspecified vectors.","published":"2022-02-08T11:15:08.000Z","lastModified":"2026-06-17T03:34:36.000Z","status":"Modified","sourceIdentifier":"vultures@jpcert.or.jp","cvss":{"version":"3.1","score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["canon/2204f","canon/2204n","canon/2206if","canon/lbp113w","canon/lbp151dw","canon/lbp162","canon/lbp162dw","canon/lbp162l","canon/mf113w","canon/mf212w","canon/mf217w","canon/mf222dw","canon/mf224dw","canon/mf227dw","canon/mf229dw","canon/mf232w","canon/mf237w","canon/mf242dw","canon/mf244dw","canon/mf245dw","canon/mf247dw","canon/mf249dw","canon/mf262dw","canon/mf264dw","canon/mf265dw","canon/mf267dw","canon/mf269dw","canon/mf269dw vp","canon/mf4570dn","canon/mf4570dw","canon/mf4770n","canon/mf4780w","canon/mf4880dw","canon/mf4890dw"],"epss":{"score":0.00842,"percentile":0.57653,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.84%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://cweb.canon.jp/e-support/info/211221xss.html","tags":["Vendor Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://jvn.jp/en/jp/JVN64806328/index.html","tags":["Third Party Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://jvn.jp/jp/JVN64806328/index.html","tags":["Third Party Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://www.canon-europe.com/support/product-security-latest-news/","tags":["Vendor Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://www.usa.canon.com/internet/portal/us/home/support/product-advisories/detail/Service-Notice-Canon-Laser-Printer-and-Small-Office-Multifunctional-Printer-related-to-cross-site-scripting","tags":["Vendor Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://cweb.canon.jp/e-support/info/211221xss.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://jvn.jp/en/jp/JVN64806328/index.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://jvn.jp/jp/JVN64806328/index.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.canon-europe.com/support/product-security-latest-news/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.usa.canon.com/internet/portal/us/home/support/product-advisories/detail/Service-Notice-Canon-Laser-Printer-and-Small-Office-Multifunctional-Printer-related-to-cross-site-scripting","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-20877","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}