How severe is CVE-2023-6675?

CVE-2023-6675 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-6675 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6675?

CVE-2023-6675 affects Nationalkeep Cybermath. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6675?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-6675 have an EU (EUVD) identifier?

Yes. CVE-2023-6675 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58897.

When was CVE-2023-6675 published?

CVE-2023-6675 was published on 2024-02-02 and last updated on 2026-06-17.

CVE-2023-6675

CVE-2023-6675 is a critical-severity vulnerability in Nationalkeep Cybermath with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58897
Weakness: CWE-434
Affected product: Nationalkeep Cybermath
Published: 2024-02-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-6675?: 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.
How severe is CVE-2023-6675?: CVE-2023-6675 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-6675 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6675?: CVE-2023-6675 affects Nationalkeep Cybermath. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6675?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-6675 have an EU (EUVD) identifier?: Yes. CVE-2023-6675 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58897.
When was CVE-2023-6675 published?: CVE-2023-6675 was published on 2024-02-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nationalkeep:cybermath:1.4:*:*:*:*:*:*:*

More vulnerabilities in Nationalkeep Cybermath

CVE-2024-7108 — Critical (CVSS 9.8): Incorrect Authorization vulnerability in National Keep Cyber Security Services CyberMath allows Accessing Functionality…
CVE-2023-6676 — High (CVSS 8.8): Cross-Site Request Forgery (CSRF) vulnerability in National Keep Cyber Security Services CyberMath allows Cross Site…
CVE-2024-7107 — High (CVSS 7.5): Files or Directories Accessible to External Parties vulnerability in National Keep Cyber Security Services CyberMath…
CVE-2023-6673 — Medium (CVSS 6.1): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in National Keep…
CVE-2023-6672 — Medium (CVSS 5.4): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in National Keep…

All CVEs affecting Nationalkeep Cybermath →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →