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CVE-2021-20877

Quick assessment

Affected
Canon Canon laser printers and small office multifunctional printers
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Canon Mf等都是日本佳能（Canon）公司的产品。Canon Mf是一系列多功能打印机。Canon Lbp是一系列紧凑型打印机。Canon ImageRunner是一系列一体式黑白打印机。 Canon 多款产品存在跨站脚本漏洞，该漏洞源于用户提供的数据未充分清理而存在的。 经过身份验证的远程攻击者可以诱骗受害者跟踪特制链接，并在易受攻击的网站上下文中在用户浏览器中执行任意 HTML 和脚本代码。公开的漏洞允许远程攻击者执行跨站点脚本 (XSS) 攻击。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.84% · P57
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I. Basic Information for CVE-2021-20877

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Canon 多款产品跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canon Mf等都是日本佳能（Canon）公司的产品。Canon Mf是一系列多功能打印机。Canon Lbp是一系列紧凑型打印机。Canon ImageRunner是一系列一体式黑白打印机。 Canon 多款产品存在跨站脚本漏洞，该漏洞源于用户提供的数据未充分清理而存在的。 经过身份验证的远程攻击者可以诱骗受害者跟踪特制链接，并在易受攻击的网站上下文中在用户浏览器中执行任意 HTML 和脚本代码。公开的漏洞允许远程攻击者执行跨站点脚本 (XSS) 攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Canon 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/MF269D -

II. Public POCs for CVE-2021-20877

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III. Intelligence Information for CVE-2021-20877

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Vendor Advisories for CVE-2021-20877 (2)

Other References for CVE-2021-20877 (3)

IV. Related Vulnerabilities

Same vendor: Canon

V. Comments for CVE-2021-20877

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