Netgear XR300 command injection

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.
9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Netgear CBR40, CBR750, EAX20, EAX80, LAX20, MR60, MR80, MS60, MS80, MK62, MK83, R6400, R6400v2, R6700v3, R6900P, R7000, R7000P, R7850, R7900, R7900P, R7960P, R8000, R8000P, RAX15, RAX20, RAX200, RAX35v2, RAX40v2, RAX43, RAX45, RAX50, RAX75, RAX80, RBK752, RBK852, RBR750, RBR850, RBS750, RBS850, RS400, XR1000 and XR300. It has been declared as critical. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to command injection. The identification of this vulnerability is CVE-2021-45620. The attack needs to be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Netgear CBR40, CBR750, EAX20, EAX80, LAX20, MR60, MR80, MS60, MS80, MK62, MK83, R6400, R6400v2, R6700v3, R6900P, R7000, R7000P, R7850, R7900, R7900P, R7960P, R8000, R8000P, RAX15, RAX20, RAX200, RAX35v2, RAX40v2, RAX43, RAX45, RAX50, RAX75, RAX80, RBK752, RBK852, RBR750, RBR850, RBS750, RBS850, RS400, XR1000 and XR300 (Router Operating System). This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 12/26/2021 as PSV-2020-0509. The advisory is shared for download at kb.netgear.com. This vulnerability was named CVE-2021-45620 since 12/25/2021. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/26/2021). The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.2
VulDB Meta Temp Score: 9.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.6
CNA Vector (MITRE): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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-2020-0509
Status: Confirmed

CVE: CVE-2021-45620 (🔍)
GCVE (CVE): GCVE-0-2021-45620
GCVE (VulDB): GCVE-100-189244

Entryinfo

Created: 12/26/2021 17:32
Updated: 12/28/2021 14:40
Changes: 12/26/2021 17:32 (48), 12/28/2021 14:40 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!