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Diascreen CVE-2023-0249

HIGH
Out-of-bounds Write (CWE-787)
2023-02-08 ics-cert@hq.dhs.gov
7.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, write limits
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required.

Exploit ScenarioDerived

A local attacker with access to the system could write data beyond allocated buffer boundaries leading to code execution or crashes. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

Delta Electronics DIAScreen versions 1.2.1.23 and prior are vulnerable to out-of-bounds write, which may allow an attacker to remotely execute arbitrary code. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Delta Electronics DIAScreen versions 1.2.1.23 and prior are vulnerable to out-of-bounds write, which may allow an attacker to remotely execute arbitrary code. Affected products include: Deltaww Diascreen.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Delta Electronics DIAScreen versions 1.2.1.23 and prior are vulnerable to out-of-bounds write, which may allow an attacker to remotely execute arbitrary code.

Threat Intelligence Overview

EPSS Score
0.3%
Top 83% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:deltaww:diascreen:*:*:*:*:*:*:*:*
CVE-2024-7502 HIGH
8.5 Aug 06

A crafted DPA file could force Delta Electronics DIAScreen to overflow a stack-based buffer, which could allow an attack

CVE-2024-47131 HIGH
8.4 Nov 11

If an attacker tricks a valid user into running Delta Electronics DIAScreen with a file containing malicious code, a sta

CVE-2024-39605 HIGH
8.4 Nov 11

If an attacker tricks a valid user into running Delta Electronics DIAScreen with a file containing malicious code, a sta

CVE-2024-39354 HIGH
8.4 Nov 11

If an attacker tricks a valid user into running Delta Electronics DIAScreen with a file containing malicious code, a sta

CVE-2023-0251 HIGH
7.8 Feb 08

Delta Electronics DIAScreen versions 1.2.1.23 and prior are vulnerable to a buffer overflow through improper restriction

CVE-2023-5068 HIGH
7.8 Sep 21

Delta Electronics DIAScreen may write past the end of an allocated buffer while parsing a specially crafted input file.

CVE-2023-0250 HIGH
7.8 Feb 08

Delta Electronics DIAScreen versions 1.2.1.23 and prior are vulnerable to a stack-based buffer overflow, which could all

CVE-2025-59300 MEDIUM
6.8 Oct 03

An out-of-bounds write in Delta Electronics DIAScreen before 1.6.1 lets attackers execute code in the context of the cur

CVE-2025-59299 MEDIUM
6.8 Oct 03

An out-of-bounds write in the file-parsing routine of Delta Electronics DIAScreen (all versions prior to 1.6.1) allows c

CVE-2025-59298 MEDIUM
6.8 Oct 03

An out-of-bounds write in Delta Electronics DIAScreen's file-parsing routine (all versions from 0 through 1.6.1) allows

CVE-2025-59297 MEDIUM
6.8 Oct 03

An out-of-bounds write in the file-parsing routines of Delta Electronics DIAScreen (versions prior to 1.6.1) allows a cr

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