CVE-2023-45797Known exploitationNetwork attack vector

Unauthenticated code execution via undisclosed buffer overflow

Published Oct 30, 2023 · Updated Sep 6, 2024

A buffer overflow in Dream Security MagicLine4NX 1.0.0.1 through 1.0.0.26 allows remote attackers to execute arbitrary code over a network. Dream Security and KrCERT/CC have not published the affected function, input path, or exact unchecked buffer-copy operation. No privileges or user interaction are required; successful exploitation runs attacker-controlled code on a persistently active certificate client.

CVSS severity9.8
Critical
EPSS probability0.82%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A buffer overflow in Dream Security MagicLine4NX 1.0.0.1 through 1.0.0.26 allows remote attackers to execute arbitrary code over a network. Dream Security and KrCERT/CC have not published the affected function, input path, or exact unchecked buffer-copy operation. No privileges or user interaction are required; successful exploitation runs attacker-controlled code on a persistently active certificate client.

The record

CVE
CVE-2023-45797
Published
Oct 30, 2023
Updated
Sep 6, 2024
Vendor
Dream Security
Product
MagicLine4NX
Classifications
CWE-120, CAPEC-549, T1210
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 6, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0.1 <=1.0.0.26 changes=[{"at":"1.0.0.27","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Dream Security · MagicLine4NXversion=1.0.0.1 <=1.0.0.26 changes=[{"at":"1.0.0.27","status":"unaffected"}]

Published CVSS scores

9.8KrCERT/CCCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC-549Local Execution of Code
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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