CVE-2020-13432

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 30.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-06-08 · updated 2026-06-17
Weakness: CWE-120

Description

rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are used, allows remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers.

Affected products

Rejetto Http File Server: 2.3m

References

http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt
http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html
http://seclists.org/fulldisclosure/2020/Jun/13
http://seclists.org/fulldisclosure/2021/Apr/12
https://github.com/rejetto/hfs2/commit/b8ebfc4e22948e1a61506cd66e397b61ea5ea5de
https://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html
https://www.rejetto.com/hfs/?f=wn
http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt
http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html
http://seclists.org/fulldisclosure/2020/Jun/13
http://seclists.org/fulldisclosure/2021/Apr/12
https://github.com/rejetto/hfs2/commit/b8ebfc4e22948e1a61506cd66e397b61ea5ea5de

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