VDB-240009 · CVE-2023-4088 · GCVE-0-2023-4088

Mitsubishi Electric GX Works3 Incomplete Fix CVE-2020-14496 default 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 (≈) 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.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Mitsubishi Electric GX Works3. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Incomplete Fix CVE-2020-14496. Performing a manipulation results in default permission. This vulnerability is cataloged as CVE-2023-4088. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability was found in Mitsubishi Electric GX Works3 (version unknown). It has been classified as critical. This affects an unknown function of the component Incomplete Fix CVE-2020-14496. The manipulation with an unknown input leads to a default permission vulnerability. CWE is classifying the issue as CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Incorrect Default Permissions vulnerability due to incomplete fix to address CVE-2020-14496 in Mitsubishi Electric Corporation FA engineering software products allows a malicious local attacker to execute a malicious code, which could result in information disclosure, tampering with and deletion, or a denial-of-service (DoS) condition. However, if the mitigated version described in the advisory for CVE-2020-14496 is used and installed in the default installation folder, this vulnerability does not affect the products.

The weakness was shared 09/20/2023. The advisory is shared at mitsubishielectric.com. This vulnerability is uniquely identified as CVE-2023-4088 since 08/02/2023. 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.

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

Productinfo

Vendor

Mitsubishi Electric

Name

GX Works3

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 9.3
CNA Vector (Mitsubishi Electric Corporation): 🔍

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: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

08/02/2023 🔍
09/20/2023 +49 days 🔍
09/20/2023 +0 days 🔍
07/04/2024 +288 days 🔍

Sourcesinfo

Advisory: mitsubishielectric.com
Status: Confirmed

CVE: CVE-2023-4088 (🔍)
GCVE (CVE): GCVE-0-2023-4088
GCVE (VulDB): GCVE-100-240009

Entryinfo

Created: 09/20/2023 07:18
Updated: 07/04/2024 17:59
Changes: 09/20/2023 07:18 (47), 07/04/2024 17:59 (26)
Complete: 🔍
Cache ID: 216::103