CVE-2023-6675

CRITICAL

Unrestricted Upload of File with Dangerous Type vulnerability in National Keep Cyber Security Services CyberMath allows Upload a Web Shell to a Web Server. This issue affects CyberMath: from v.1.4...

Affects 1 product across 1 vendor.

CVSS 3.19.8
EPSS0.6%
Percentile46th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-434: Unrestricted Upload of File with Dangerous Type

Application allows file uploads without validating type, enabling upload of executable code or web shells.

Related Attack Patterns (CAPEC)
CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs
via CWE-434

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

Unrestricted Upload of File with Dangerous Type vulnerability in National Keep Cyber Security Services CyberMath allows an attacker to upload a web shell to a web server, potentially leading to full system compromise.

BSID: BS-2024-GLOBAL-052391-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2023-6675?
Unrestricted Upload of File with Dangerous Type vulnerability in National Keep Cyber Security Services CyberMath allows an attacker to upload a web shell to a web server, potentially leading to full system compromise.
What is the CVSS score for CVE-2023-6675?
CVE-2023-6675 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 0.6%.
Is CVE-2023-6675 actively exploited?
No confirmed active exploitation of CVE-2023-6675 as of 2026-05-30.
How do I remediate CVE-2023-6675?
Priority: IMMEDIATE.
What systems are affected by CVE-2023-6675?
CVE-2023-6675 affects Nationalkeep Cybermath.
Vulnerability Details
CVE IDCVE-2023-6675
BSIDBS-2024-GLOBAL-052391-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2024-02-02
Last Modified2026-05-20
ICS Relevance0%
Weakness (CWE)
SourceNVD
Official Description

Unrestricted Upload of File with Dangerous Type vulnerability in National Keep Cyber Security Services CyberMath allows Upload a Web Shell to a Web Server. This issue affects CyberMath: from v.1.4 before v.1.5.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

An attacker can exploit this vulnerability by uploading a malicious file, such as a web shell, through the file upload functionality of CyberMath. This file can then be accessed via the web server, allowing the attacker to execute arbitrary commands on the server.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Nationalkeep Cybermath 1.4
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 986 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash12e1f21f32f6023d74022f5787046e924b47ccce8f4530373b11c641ceb2fae7569ba71ba10b1ac2ac50ebdb48b04bae918ac5d2a2b7667f5a1170ce4decdbbc
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