MagicJack A921 USB Phone Jack 1.4 permission

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 (≈)
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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.
4.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in MagicJack A921 USB Phone Jack 1.4. This vulnerability affects unknown code. The manipulation leads to permission. This vulnerability is documented as CVE-2023-30024. It is possible to launch the attack on the physical device. There is not any exploit available.

Detailsinfo

A vulnerability was found in MagicJack A921 USB Phone Jack 1.4. It has been rated as problematic. This issue affects some unknown processing. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality. The summary by CVE is:

Insecure Permissions vulnerability found in MagicJack A921 USB Phone Jack Rev 3.0 v.1.4 allows a physically proximate attacker to escalate privileges and gain access to sensitive information via the NAND flash memory.

The weakness was released 04/28/2023. The advisory is shared at drive.google.com. The identification of this vulnerability is CVE-2023-30024 since 04/07/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

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-2023-34457). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 2.1
VulDB Temp Score: 2.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.6
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2023 🔍
04/28/2023 +21 days 🔍
04/28/2023 +0 days 🔍
12/20/2025 +967 days 🔍

Sourcesinfo

Advisory: drive.google.com
Status: Not defined

CVE: CVE-2023-30024 (🔍)
GCVE (CVE): GCVE-0-2023-30024
GCVE (VulDB): GCVE-100-227681
EUVD: 🔍

Entryinfo

Created: 04/28/2023 17:17
Updated: 12/20/2025 02:09
Changes: 04/28/2023 17:17 (37), 01/31/2025 19:50 (25), 12/20/2025 02:09 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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