VDB-154404 · CVE-2018-21159 · GCVE-0-2018-21159

Netgear ReadyNAS up to 6.9.2 Configuration Setting privileges management

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Netgear ReadyNAS up to 6.9.2. This affects an unknown function of the component Configuration Setting Handler. The manipulation results in privileges management. This vulnerability is cataloged as CVE-2018-21159. The attack must originate from the local network. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Netgear ReadyNAS up to 6.9.2 (Wireless LAN Software). Affected is an unknown code block of the component Configuration Setting Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

NETGEAR ReadyNAS devices before 6.9.3 are affected by incorrect configuration of security settings.

The weakness was shared 04/27/2020 (Website). The advisory is shared for download at kb.netgear.com. This vulnerability is traded as CVE-2018-21159 since 04/20/2020. Access to the local network is required for this attack. Additional levels of successful authentication are needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 6.9.3 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Wireless LAN Software

Vendor

Netgear

Name

ReadyNAS

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.5
NVD Vector: 🔍

CNA Base Score: 4.5
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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: 🔍

Upgrade: ReadyNAS 6.9.3

Timelineinfo

04/20/2020 🔍
04/27/2020 +7 days 🔍
04/28/2020 +1 days 🔍
06/03/2024 +1497 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21159 (🔍)
GCVE (CVE): GCVE-0-2018-21159
GCVE (VulDB): GCVE-100-154404

Entryinfo

Created: 04/28/2020 09:49
Updated: 06/03/2024 09:06
Changes: 04/28/2020 09:49 (39), 04/28/2020 09:54 (12), 10/13/2020 08:16 (1), 10/13/2020 08:26 (1), 06/03/2024 09:06 (32)
Complete: 🔍
Cache ID: 216::103