Realtek RTL8812AR/RTL8196D/RTL8192ER/RTL8881AN WPA2 improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Realtek RTL8812AR, RTL8196D, RTL8192ER and RTL8881AN. This affects an unknown part of the component WPA2 Handler. The manipulation leads to improper authentication. This vulnerability is referenced as CVE-2019-18990. The attack needs to be initiated within the local network. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Realtek RTL8812AR, RTL8196D, RTL8192ER and RTL8881AN (affected version unknown). This issue affects an unknown functionality of the component WPA2 Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A partial authentication bypass vulnerability exists on Realtek RTL8812AR 1.21WW, RTL8196D 1.0.0, RTL8192ER 2.10, and RTL8881AN 1.09 devices. The vulnerability allows sending an unencrypted data frame to a WPA2-protected WLAN router where the packet is routed through the network. If successful, a response is sent back as an encrypted frame, which would allow an attacker to discern information or potentially modify data.

The weakness was published 09/30/2020. The identification of this vulnerability is CVE-2019-18990 since 11/15/2019. The attack can only be done within the local network. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

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

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.1
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper authentication
CWE: 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

11/15/2019 🔍
09/30/2020 +320 days 🔍
10/01/2020 +1 days 🔍
11/14/2020 +44 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2019-18990 (🔍)
GCVE (CVE): GCVE-0-2019-18990
GCVE (VulDB): GCVE-100-162065

Entryinfo

Created: 10/01/2020 08:33
Updated: 11/14/2020 20:52
Changes: 10/01/2020 08:33 (34), 10/01/2020 08:38 (11), 11/14/2020 20:52 (1)
Complete: 🔍
Cache ID: 216::103

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

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