What’s Vulnerable › Vulnerabilities

CVE-2020-12737

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-08 · updated 2026-06-17
• Weakness: CWE-22

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.

Affected products

• Maxum Rumpus: before 8.2.12 — fixed in 8.2.12

How to fix

Upgrade to a fixed version: Maxum Rumpus 8.2.12. Check the vendor advisory for mitigations.

References

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

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