ContentKeeper/Impero Web Appliance up to 125.9 File unrestricted upload

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in ContentKeeper/Impero Web Appliance up to 125.9. This vulnerability affects unknown code of the component File Handler. Such manipulation leads to unrestricted upload. This vulnerability is listed as CVE-2009-20011. The attack may be performed from remote. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in ContentKeeper/Impero Web Appliance up to 125.9. It has been rated as critical. Affected by this issue is an unknown function of the component File Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

ContentKeeper Web Appliance (now maintained by Impero Software) versions prior to 125.10 are vulnerable to remote command execution due to insecure handling of file uploads via the mimencode CGI utility. The vulnerability allows unauthenticated attackers to upload and execute arbitrary scripts as the Apache user. Additionally, the exploit can optionally escalate privileges by abusing insecure PATH usage in the benetool binary, resulting in root-level access if successful.

The weakness was presented by Patrick Webster. The advisory is shared for download at raw.githubusercontent.com. This vulnerability is handled as CVE-2009-20011 since 08/28/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1608.002.

The exploit is available at raw.githubusercontent.com. It is declared as proof-of-concept.

Upgrading to version 125.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2009-5121). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Programming Language: 🔒
Download: 🔒

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: Web Appliance 125.10

Timelineinfo

08/28/2025 CVE reserved
08/30/2025 +2 days Advisory disclosed
08/30/2025 +0 days VulDB entry created
08/30/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: raw.githubusercontent.com
Researcher: Patrick Webster
Status: Confirmed

CVE: CVE-2009-20011 (🔒)
GCVE (CVE): GCVE-0-2009-20011
GCVE (VulDB): GCVE-100-322028
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/30/2025 18:37
Updated: 08/30/2025 22:47
Changes: 08/30/2025 18:37 (71), 08/30/2025 22:47 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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