VDB-256881 · CVE-2024-0802 · icsa-24-074-14

Mitsubishi Electric MELSEC-Q/MELSEC-L Packet incorrect pointer scaling

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.
9.7	$0-$5k	0.00

Summaryinfo

A vulnerability identified as very critical has been detected in Mitsubishi Electric MELSEC-Q and MELSEC-L. This impacts an unknown function of the component Packet Handler. Performing a manipulation results in incorrect pointer scaling. This vulnerability is identified as CVE-2024-0802. The attack can be initiated remotely. There is not any exploit available. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Mitsubishi Electric MELSEC-Q and MELSEC-L (affected version not known). This affects some unknown functionality of the component Packet Handler. The manipulation with an unknown input leads to a incorrect pointer scaling vulnerability. CWE is classifying the issue as CWE-468. In C and C++, one may often accidentally refer to the wrong memory due to the semantics of when math operations are implicitly scaled. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at cisa.gov. This vulnerability is uniquely identified as CVE-2024-0802. The exploitability is told to be easy. It is possible to initiate the attack remotely. 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 $0-$5k at the moment (estimation calculated on 03/15/2024).

It is possible to mitigate the weakness by firewalling .

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

Productinfo

Vendor

Mitsubishi Electric

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
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: Incorrect pointer scaling
CWE: CWE-468
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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/23/2024 🔍
03/15/2024 +52 days 🔍
03/15/2024 +0 days 🔍
04/15/2024 +31 days 🔍

Sourcesinfo

Advisory: icsa-24-074-14
Status: Confirmed

CVE: CVE-2024-0802 (🔍)
GCVE (CVE): GCVE-0-2024-0802
GCVE (VulDB): GCVE-100-256881

Entryinfo

Created: 03/15/2024 01:07
Updated: 04/15/2024 15:19
Changes: 03/15/2024 01:07 (36), 04/15/2024 15:13 (16), 04/15/2024 15:19 (11)
Complete: 🔍
Cache ID: 216::103