VDB-59704 · CVE-2011-4837 · VU#796883

HomeSeer HomeSeer HS2 2.5.0.20 ctrl cross-site request forgery

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in HomeSeer HomeSeer HS2 2.5.0.20. The impacted element is an unknown function of the file ctrl. Executing a manipulation can lead to cross-site request forgery. The identification of this vulnerability is CVE-2011-4837. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in HomeSeer HomeSeer HS2 2.5.0.20. It has been declared as critical. This vulnerability affects an unknown functionality of the file ctrl. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Cross-site request forgery (CSRF) vulnerability in /ctrl in the web interface in HomeSeer HS2 2.5.0.20 allows remote attackers to hijack the authentication of admins for requests that execute arbitrary programs.

The weakness was shared 12/14/2011 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2011-4837 since 12/14/2011. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (18567). The entries VDB-59703 and VDB-59702 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

HomeSeer

Name

HomeSeer HS2

Version

2.5.0.20

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 902648
OpenVAS Name: HomeSeer HS2 Web Interface Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/14/2011 🔍
12/14/2011 +0 days 🔍
12/14/2011 +0 days 🔍
03/23/2015 +1195 days 🔍
06/15/2025 +3737 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed

CVE: CVE-2011-4837 (🔍)
GCVE (CVE): GCVE-0-2011-4837
GCVE (VulDB): GCVE-100-59704
CERT: 🔍

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 06/15/2025 08:12
Changes: 03/23/2015 16:50 (51), 01/15/2018 11:43 (1), 08/08/2024 17:21 (17), 06/15/2025 08:12 (12)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.