VDB-189265 · CVE-2021-45642 · PSV-2020-0427

Netgear RBK50 Configuration privilege escalation

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Netgear D7800, EX6250, EX7700, LBR20, RBS50Y, R8900, R9000, XR450, XR500, XR700, EX7320, RAX120, EX7300v2, RAX120v2, EX6410, RBR10, RBR20, RBR40, RBR50, EX6420, RBS10, RBS20, RBS40, RBS50, EX6400v2, RBK12, RBK20, RBK40 and RBK50. Affected is an unknown function of the component Configuration Handler. This manipulation causes an unknown weakness. This vulnerability is registered as CVE-2021-45642. The attack requires access to the local network. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Netgear D7800, EX6250, EX7700, LBR20, RBS50Y, R8900, R9000, XR450, XR500, XR700, EX7320, RAX120, EX7300v2, RAX120v2, EX6410, RBR10, RBR20, RBR40, RBR50, EX6420, RBS10, RBS20, RBS40, RBS50, EX6400v2, RBK12, RBK20, RBK40 and RBK50 (Wireless LAN Software) and classified as critical. Affected by this vulnerability is some unknown processing of the component Configuration Handler. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 12/26/2021 as PSV-2020-0427. The advisory is shared at kb.netgear.com. This vulnerability is known as CVE-2021-45642 since 12/25/2021. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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

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: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (MITRE): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
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

12/25/2021 🔍
12/26/2021 +1 days 🔍
12/26/2021 +0 days 🔍
12/28/2021 +2 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: PSV-2020-0427
Status: Confirmed

CVE: CVE-2021-45642 (🔍)
GCVE (CVE): GCVE-0-2021-45642
GCVE (VulDB): GCVE-100-189265

Entryinfo

Created: 12/26/2021 17:41
Updated: 12/28/2021 16:26
Changes: 12/26/2021 17:41 (47), 12/28/2021 16:26 (1)
Complete: 🔍
Cache ID: 216::103