Vulnerability · Published Jun 25, 2025 · Assigned by rapid7
CVE-2024-51977Unauthenticated leak of sensitive information affecting multiple models from Brother Industries, Ltd., FUJIFILM Business Innovation, Ricoh, Toshiba Tec, and Konica Minolta, Inc.
Medium 5.3
In plain English
A medium-severity security flaw in DCP-B7520DW (China) from Brother Industries, Ltd. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 46.6% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code.
Official 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.
Affected products (as reported)
Weakness: CWE-538 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- https://www.rapid7.com/blog/post/multiple-brother-devices-multiple-vulnerabilities-fixed third-party-advisory
- https://assets.contentstack.io/v3/assets/blte4f029e766e6b253/blt6495b3c6adf2867f/685aa980a26c5e2b1026969c/vulnerability-disclosure-whitepaper.pdf technical-description
- https://github.com/sfewer-r7/BrotherVulnerabilities exploit
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-51977.yaml exploit
- https://support.brother.com/g/b/link.aspx?prod=group2&faqid=faq00100846_000 vendor-advisory
- https://support.brother.com/g/b/link.aspx?prod=group2&faqid=faq00100848_000 vendor-advisory
- https://support.brother.com/g/b/link.aspx?prod=lmgroup1&faqid=faqp00100620_000 vendor-advisory
- https://www.fujifilm.com/fbglobal/eng/company/news/notice/2025/0625_announce.html vendor-advisory
- https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2025-000007 vendor-advisory
- https://www.toshibatec.com/information/20250625_02.html vendor-advisory
- https://www.konicaminolta.com/global-en/security/advisory/pdf/km-2025-0001.pdf vendor-advisory