CVE-2025-55055Network attack vector

OS command execution via undisclosed input handling

Published Nov 17, 2025 · Updated Nov 17, 2025

OS command injection in Maxum Development Corp. Rumpus 9.0.12 allows remote authenticated users to execute operating-system commands. The public advisory identifies no affected interface, code locus, or operation that passes untrusted input to an operating-system command. Reaching the flaw requires high privileges and user interaction, and successful exploitation can read or alter data and interrupt the server.

CVSS severity9.8
Critical
EPSS probability0.84%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Maxum Development Corp. Rumpus 9.0.12 allows remote authenticated users to execute operating-system commands. The public advisory identifies no affected interface, code locus, or operation that passes untrusted input to an operating-system command. Reaching the flaw requires high privileges and user interaction, and successful exploitation can read or alter data and interrupt the server.

The record

CVE
CVE-2025-55055
Published
Nov 17, 2025
Updated
Nov 17, 2025
Vendor
Maxum Development Corp.
Product
Rumpus
Classifications
CWE-78, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 17, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 17, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=9.0.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Maxum Development Corp. · Rumpusversion=9.0.12

Published CVSS scores

6.8Israel National Cyber DirectorateCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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