UniFi Cloud Key up to 1.1.10 Serial Interface access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in UniFi Cloud Key up to 1.1.10 and classified as critical. The impacted element is an unknown function of the component Serial Interface. Performing a manipulation results in access control. This vulnerability is cataloged as CVE-2020-8157. The attack may be carried out on the physical device. There is no exploit available.

Detailsinfo

A vulnerability was found in UniFi Cloud Key up to 1.1.10 (Cloud Software). It has been classified as critical. This affects an unknown part of the component Serial Interface. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

UniFi Cloud Key firmware <= v1.1.10 for Cloud Key gen2 and Cloud Key gen2 Plus contains a vulnerability that allows unrestricted root access through the serial interface (UART).

The weakness was shared 05/02/2020 (Website). The advisory is shared at community.ui.com. This vulnerability is uniquely identified as CVE-2020-8157 since 01/28/2020. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.8
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

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: Yes
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/28/2020 🔍
05/02/2020 +95 days 🔍
05/03/2020 +1 days 🔍
10/15/2020 +165 days 🔍

Sourcesinfo

Advisory: community.ui.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-8157 (🔍)
GCVE (CVE): GCVE-0-2020-8157
GCVE (VulDB): GCVE-100-154689

Entryinfo

Created: 05/03/2020 09:49
Updated: 10/15/2020 07:33
Changes: 05/03/2020 09:49 (37), 05/03/2020 09:54 (18), 10/15/2020 07:33 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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