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CVE-2024-51977— Unauthenticated leak of sensitive information affecting multiple models from Brother Industries, Ltd., FUJIFILM Business Innovation, Ricoh, Toshiba Tec, and Konica Minolta, Inc.

Quick assessment

Affected
Brother Industries, Ltd HL-L8260CDN
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Brother Industries Multiple driver installers for Windows是日本Brother Industries公司的一个驱动软件。 Brother Industries Multiple driver installers for Windows存在安全漏洞，该漏洞源于未经验证的攻击者可通过HTTP、HTTPS或IPP服务访问/etc/mnt_info.csv路径，导致设备敏感信息泄露。

CVSS 5.3 · Medium EPSS 72.73% · P99
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I. Basic Information for CVE-2024-51977

Vulnerability Information
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Vulnerability Title
Unauthenticated leak of sensitive information affecting multiple models from Brother Industries, Ltd., FUJIFILM Business Innovation, Ricoh, Toshiba Tec, and Konica Minolta, Inc.
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated attacker who can access either the HTTP service (TCP port 80), the HTTPS service (TCP port 443), or the IPP service (TCP port 631), can leak several pieces of sensitive information from a vulnerable device. The URI path /etc/mnt_info.csv can be accessed via a GET request and no authentication is required. The returned result is a comma separated value (CSV) table of information. The leaked information includes the device’s model, firmware version, IP address, and serial number.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
文件和路径信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Brother Industries Multiple driver installers for Windows 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Brother Industries Multiple driver installers for Windows是日本Brother Industries公司的一个驱动软件。 Brother Industries Multiple driver installers for Windows存在安全漏洞，该漏洞源于未经验证的攻击者可通过HTTP、HTTPS或IPP服务访问/etc/mnt_info.csv路径，导致设备敏感信息泄露。
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
Brother Industries, Ltd HL-L8260CDN 0 ~ 1.65(ZH) -
Brother Industries, Ltd DCP-J928N-W/B 1.0 ~ 1.03(B) -
Brother Industries, Ltd DCP-J987N-W/B A ~ F -
Brother Industries, Ltd DCP-T510W(China) A ~ N -
Brother Industries, Ltd DCP-T710W(China) A ~ N -
Brother Industries, Ltd MFC-J1800DW (Europe) 1.0 ~ 1.13(H) -
Brother Industries, Ltd MFC-J1800DW (USA) 1.0 ~ 1.02(B) -
Brother Industries, Ltd MFC-J4340DWE 1.0 ~ 1.38(M) -
Brother Industries, Ltd MFC-J4345DWXL 1.0 ~ 1.38(M) -
Brother Industries, Ltd MFC-J805DWXL A ~ J -
Brother Industries, Ltd MFC-J815DWXL A ~ J -
Brother Industries, Ltd MFC-J995DWXL A ~ P -
Brother Industries, Ltd MFC-T810W(China) A ~ N -
Brother Industries, Ltd DCP-B7520DW (China) A ~ V -
Brother Industries, Ltd DCP-B7535DW (China) A ~ V -
Brother Industries, Ltd DCP-L2535DW (China) A ~ M -
Brother Industries, Ltd DCP-L2540DW (Japan) A ~ T -
Brother Industries, Ltd DCP-L2550DW (China) A ~ M -
Brother Industries, Ltd DCP-L2550DW (Japan) A ~ R -
Brother Industries, Ltd DCP-L2550DW (Taiwan) A ~ V -
Brother Industries, Ltd HL-L2361DN 1.0 ~ 1.36(Z) -
Brother Industries, Ltd MFC-L2700DW (Asia) A ~ W -
Brother Industries, Ltd MFC-L2715DW (Taiwan/Korea/Hong Kong) A ~ V -
Brother Industries, Ltd MFC-L2740DW (Japan) A ~ U -
Brother Industries, Ltd MFC-L2750DW (Japan) A ~ R -
Brother Industries, Ltd MFC-L3770CDW (Japan) A ~ ZA -
Brother Industries, Ltd MFC-L5755DW (Japan) A ~ ZP -
Brother Industries, Ltd MFC-L6900DW (Japan) A ~ ZP -
Brother Industries, Ltd MFC-L8610CDW (Japan) A ~ ZD -
Brother Industries, Ltd MFC-L9570CDW (Japan) A ~ ZD -

II. Public POCs for CVE-2024-51977

# POC Description Source Link Shenlong Link
1 An unauthenticated attacker who can access either the HTTP service (TCP port 80), the HTTPS service (TCP port 443), or the IPP service (TCP port 631), can leak several pieces of sensitive information from a vulnerable device. The URI path /etc/mnt_info.csv can be accessed via a GET request and no authentication is required. The returned result is a comma separated value (CSV) table of information. The leaked information includes the device’s model, firmware version, IP address, and serial number. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-51977.yaml POC Details
2 Multiple Brother Devices: Multiple Vulnerabilities (CVE-2024-51977, CVE-2024-51978, CVE-2024-51979, CVE-2024-51980, CVE-2024-51981, CVE-2024-51982, CVE-2024-51983, CVE-2024-51984) https://github.com/sfewer-r7/BrotherVulnerabilities POC Details
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III. Intelligence Information for CVE-2024-51977

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Vendor Advisories for CVE-2024-51977 (3)

Proof of Concept for CVE-2024-51977 (2)

Vendor Pages for CVE-2024-51977 (1)

Same Patch Batch · Brother Industries, Ltd · 2025-06-25 · 8 CVEs total

CVE-2024-51978 9.8 CRITICAL Authentication bypass via default password generation affecting multiple models from Broth
CVE-2024-51982 7.5 HIGH Unauthenticated Denial of Service (DoS) via malformed PJL request affecting multiple model
CVE-2024-51983 7.5 HIGH Unauthenticated Denial of Service (DoS) via malformed WS-Scan request affecting multiple m
CVE-2024-51979 7.2 HIGH Authenticated stack based buffer overflow affecting multiple models from Brother Industrie
CVE-2024-51984 6.8 MEDIUM Authenticated disclosure of external service passwords via pass-back attack affecting mult
CVE-2024-51981 5.3 MEDIUM Unauthenticated Server Side Request Forgery (SSRF) via WS-Eventing affecting multiple mode
CVE-2024-51980 5.3 MEDIUM Unauthenticated Server Side Request Forgery (SSRF) via WS-Addressing affecting multiple mo

IV. Related Vulnerabilities

Same product: HL-L8260CDN
Same vendor: Brother Industries, Ltd
Same weakness: CWE-538

V. Comments for CVE-2024-51977

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