Vivo Wifi Enterprise Wifi missing authentication

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 (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Vivo Wifi. It has been declared as critical. Impacted is an unknown function of the component Enterprise Wifi Handler. Executing a manipulation can lead to missing authentication. This vulnerability is registered as CVE-2020-12484. The attack requires access to the local network. No exploit is available.

Detailsinfo

A vulnerability was found in Vivo Wifi (version now known). It has been declared as critical. This vulnerability affects some unknown processing of the component Enterprise Wifi Handler. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

When using special mode to connect to enterprise wifi, certain options are not properly configured and attackers can pretend to be enterprise wifi through a carefully constructed wifi with the same name, which can lead to man-in-the-middle attacks.

The advisory is shared for download at vivo.com. This vulnerability was named CVE-2020-12484 since 04/30/2020. The exploitation appears to be easy. Access to the local network is required for this attack to succeed. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.4
CNA Vector (Vivo): 🔍

CVSSv2info

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

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

04/30/2020 🔍
12/17/2024 +1692 days 🔍
12/17/2024 +0 days 🔍
02/17/2025 +62 days 🔍

Sourcesinfo

Advisory: vivo.com
Status: Confirmed

CVE: CVE-2020-12484 (🔍)
GCVE (CVE): GCVE-0-2020-12484
GCVE (VulDB): GCVE-100-288700

Entryinfo

Created: 12/17/2024 07:55
Updated: 02/17/2025 05:54
Changes: 12/17/2024 07:55 (62), 02/17/2025 05:54 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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