Webmin up to 2.599 Squid squid/cachemgr.cgi os command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Webmin up to 2.599. This impacts an unknown function of the file squid/cachemgr.cgi of the component Squid Module. The manipulation leads to os command injection. This vulnerability is documented as CVE-2025-67738. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Webmin up to 2.599. It has been rated as critical. This issue affects an unknown functionality of the file squid/cachemgr.cgi of the component Squid Module. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments. This is relevant if Webmin's Squid module and its Cache Manager feature are available, and an untrusted party is able to authenticate to Webmin and has certain Cache Manager permissions (the "cms" security option).

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-67738 since 12/11/2025. The exploitation is known to be difficult. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 2.600 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-202665) and CERT Bund (WID-SEC-2025-2813). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Open Source Webmin

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.5
CNA Vector (MITRE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Webmin 2.600

Timelineinfo

12/11/2025 Advisory disclosed
12/11/2025 +0 days CVE reserved
12/11/2025 +0 days VulDB entry created
12/11/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1a52bf4d72f9da6d79250c66e51f41c6f5b880ee
Status: Confirmed

CVE: CVE-2025-67738 (🔒)
GCVE (CVE): GCVE-0-2025-67738
GCVE (VulDB): GCVE-100-335861
EUVD: 🔒
CERT Bund: WID-SEC-2025-2813 - Webmin: Schwachstelle ermöglicht Codeausführung

Entryinfo

Created: 12/11/2025 08:06
Updated: 12/11/2025 13:06
Changes: 12/11/2025 08:06 (66), 12/11/2025 09:53 (1), 12/11/2025 12:58 (1), 12/11/2025 13:06 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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