Netgear XR1000 1.0.0.52_1.0.38 SOAP Message missing 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
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5.4$5k-$25k0.00

A vulnerability, which was classified as critical, was found in Netgear XR1000 1.0.0.52_1.0.38 (Wireless LAN Software). This affects an unknown functionality of the component SOAP Message Handler. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-306. The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality. The summary by CVE is:

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR XR1000 1.0.0.52_1.0.38 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP messages. The issue results from a lack of authentication required for a privileged request. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-13325.

The weakness was disclosed 01/25/2022. The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2021-34870 since 06/17/2021. The exploitability is told to be easy. The attack can only be done within the local network. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/28/2022).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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CVSSv3infoedit

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

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

CNA Base Score: 6.5
CNA Vector (Zero Day Initiative): 🔒

CVSSv2infoedit

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

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-306
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

06/17/2021 CVE reserved
01/25/2022 +222 days Advisory disclosed
01/25/2022 +0 days VulDB entry created
01/28/2022 +3 days VulDB last update

Sourcesinfoedit

Vendor: netgear.com

Advisory: zerodayinitiative.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-34870 (🔒)

Entryinfoedit

Created: 01/25/2022 06:35 PM
Updated: 01/28/2022 12:55 PM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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