openHAB up to 2.5.1 REST access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in openHAB up to 2.5.1. It has been declared as critical. This affects an unknown part of the component REST Handler. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2020-5242. The attack can only be executed locally. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in openHAB up to 2.5.1 and classified as critical. This vulnerability affects some unknown processing of the component REST Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

openHAB before 2.5.2 allow a remote attacker to use REST calls to install the EXEC binding or EXEC transformation service and execute arbitrary commands on the system with the privileges of the user running openHAB. Starting with version 2.5.2 all commands need to be whitelisted in a local file which cannot be changed via REST calls.

The weakness was shared 02/20/2020 (GitHub Repository). The advisory is available at github.com. This vulnerability was named CVE-2020-5242 since 01/02/2020. The exploitation appears to be difficult. Local access is required to approach this attack. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 2.5.2 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 4.5
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.7
NVD Vector: 🔍

CNA Base Score: 7.7
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: openHAB 2.5.2
Patch: github.com

Timelineinfo

01/02/2020 🔍
02/20/2020 +49 days 🔍
02/21/2020 +1 days 🔍
04/02/2024 +1502 days 🔍

Sourcesinfo

Advisory: 4c4cb664f2e2c3866aadf117d22fb54aa8dd0031
Status: Not defined

CVE: CVE-2020-5242 (🔍)
GCVE (CVE): GCVE-0-2020-5242
GCVE (VulDB): GCVE-100-150394

Entryinfo

Created: 02/21/2020 08:27
Updated: 04/02/2024 08:23
Changes: 02/21/2020 08:27 (38), 02/21/2020 08:32 (11), 04/02/2024 08:20 (18), 04/02/2024 08:23 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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