CVE-2023-0251
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedDelta Electronics DIAScreen versions 1.2.1.23 and prior are vulnerable to a buffer overflow through improper restrictions of operations within memory, which could allow an attacker to remotely execute arbitrary code.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceDelta Electronics DIAScreen versions 1.2.1.23 and prior contain a buffer overflow vulnerability caused by improper restrictions of operations within memory, allowing remote attackers to execute arbitrary code by exploiting the memory corruption flaw.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 1.2.1.23CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm DIAScreen installationCheck the system for the presence of Delta Electronics DIAScreen software by reviewing installed programs via the operating system's program inventory (Windows: Add/Remove Programs or Programs and Features; Linux: package manager listings)Affected if DIAScreen is found installed on the system
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Identify installed DIAScreen versionLocate and inspect the DIAScreen application version information through the application's built-in About dialog, executable file properties (right-click the executable, select Properties, view Version tab), or any version.txt/readme file distributed with the softwareAffected if The identified version is 1.2.1.23 or any version prior to 1.2.1.23
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Assess network exposureReview network configuration and firewall rules to determine whether the DIAScreen service port or application is exposed to untrusted network segments or the public internetAffected if DIAScreen is listening on network ports accessible from untrusted or external network paths
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Verify memory protection statusCheck if application-level protections such as DEP (Data Execution Prevention), ASLR (Address Space Layout Randomization), or any added sandboxing are disabled or misconfigured for the DIAScreen processAffected if Memory corruption mitigations are disabled or ineffective for the DIAScreen executable
A system is affected if DIAScreen version 1.2.1.23 or earlier is installed and the application or its network service is accessible, as the buffer overflow can be triggered remotely to achieve arbitrary code execution.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate DIAScreen to a version beyond 1.2.1.23 when a patched release becomes available; until then, isolate the affected system on a restricted network segment and monitor for exploitation attempts.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-0251 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-0251 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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