CVE-2024-51977

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.

Reserved 2024-11-04 | Published 2025-06-25 | Updated 2025-07-25 | Assigner rapid7

Problem types

CWE-538 Insertion of Sensitive Information into Externally-Accessible File or Directory

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Credits

Stephen Fewer, Principal Security Researcher at Rapid7 finder

References

www.rapid7.com/...her-devices-multiple-vulnerabilities-fixed third-party-advisory

assets.contentstack.io/...rability-disclosure-whitepaper.pdf technical-description

github.com/sfewer-r7/BrotherVulnerabilities exploit

github.com/...s/blob/main/http/cves/2024/CVE-2024-51977.yaml exploit

support.brother.com/...spx?prod=group2&faqid=faq00100846_000 vendor-advisory

support.brother.com/...spx?prod=group2&faqid=faq00100848_000 vendor-advisory

support.brother.com/...?prod=lmgroup1&faqid=faqp00100620_000 vendor-advisory

www.fujifilm.com/...pany/news/notice/2025/0625_announce.html vendor-advisory

www.ricoh.com/...ty/vulnerabilities/vul?id=ricoh-2025-000007 vendor-advisory

www.toshibatec.com/information/20250625_02.html vendor-advisory

www.konicaminolta.com/...urity/advisory/pdf/km-2025-0001.pdf vendor-advisory

cve.org (CVE-2024-51977)

nvd.nist.gov (CVE-2024-51977)

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