VDB-211156 · CVE-2022-23771 · EUVD-2022-28707

EFM NAS1dual/NAS2dual/NAS4dual User Account cross-site request forgery

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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in EFM NAS1dual, NAS2dual and NAS4dual. Affected by this vulnerability is an unknown functionality of the component User Account Handler. Executing a manipulation can lead to cross-site request forgery. This vulnerability is handled as CVE-2022-23771. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in EFM NAS1dual, NAS2dual and NAS4dual (affected version unknown). It has been declared as problematic. This vulnerability affects an unknown functionality of the component User Account Handler. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. CVE summarizes:

This vulnerability occurs in user accounts creation and deleteion related pages of IPTIME NAS products. The vulnerability could be exploited by a lack of validation when a POST request is made to this page. An attacker can use this vulnerability to or delete user accounts, or to escalate arbitrary user privileges.

The weakness was released 10/18/2022. The advisory is shared for download at krcert.or.kr. This vulnerability was named CVE-2022-23771 since 01/19/2022. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-28707). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.0
CNA Vector (KrCERT/CC): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/19/2022 🔍
10/18/2022 +271 days 🔍
10/18/2022 +0 days 🔍
04/30/2026 +1290 days 🔍

Sourcesinfo

Advisory: krcert.or.kr
Status: Not defined

CVE: CVE-2022-23771 (🔍)
GCVE (CVE): GCVE-0-2022-23771
GCVE (VulDB): GCVE-100-211156
EUVD: 🔍

Entryinfo

Created: 10/18/2022 10:56
Updated: 04/30/2026 10:11
Changes: 10/18/2022 10:56 (47), 04/30/2026 10:11 (15)
Complete: 🔍
Cache ID: 216::103