VDB-154515 · CVE-2018-21226 · GCVE-0-2018-21226

Netgear JNR1010v2/JWNR2010v5/WNR1000v4/WNR2020/WNR2050 improper 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 (≈) 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.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Netgear JNR1010v2, JWNR2010v5, WNR1000v4, WNR2020 and WNR2050. This impacts an unknown function. Performing a manipulation results in improper authentication. This vulnerability is known as CVE-2018-21226. Access to the local network is required for this attack. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Netgear JNR1010v2, JWNR2010v5, WNR1000v4, WNR2020 and WNR2050 (Wireless LAN Software). This affects an unknown code. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Certain NETGEAR devices are affected by authentication bypass. This affects JNR1010v2 before 1.1.0.48, JWNR2010v5 before 1.1.0.48, WNR1000v4 before 1.1.0.48, WNR2020 before 1.1.0.48, and WNR2050 before 1.1.0.48.

The weakness was published 04/28/2020 (Website). It is possible to read the advisory at kb.netgear.com. This vulnerability is uniquely identified as CVE-2018-21226 since 04/20/2020. The attack needs to be initiated within the local network. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Wireless LAN Software

Vendor

Netgear

Name

License

commercial

Website

Vendor: https://www.netgear.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (MITRE): 🔍

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: 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: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/20/2020 🔍
04/28/2020 +8 days 🔍
04/29/2020 +1 days 🔍
06/04/2024 +1497 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-21226 (🔍)
GCVE (CVE): GCVE-0-2018-21226
GCVE (VulDB): GCVE-100-154515

Entryinfo

Created: 04/29/2020 07:54
Updated: 06/04/2024 08:17
Changes: 04/29/2020 07:54 (36), 04/29/2020 07:59 (12), 10/14/2020 03:23 (1), 10/14/2020 03:35 (1), 06/04/2024 08:17 (33)
Complete: 🔍
Cache ID: 216::103