How severe is CVE-2023-42495?

CVE-2023-42495 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-2023-42495 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42495?

CVE-2023-42495 affects Dasannetworks W-web. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42495?

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.

When was CVE-2023-42495 published?

CVE-2023-42495 was published on 2023-12-13 and last updated on 2026-06-17.

CVE-2023-42495

CVE-2023-42495 is a critical-severity vulnerability in Dasannetworks W-web 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Dasannetworks W-web
Published: 2023-12-13
Last modified: 2026-06-17

Description

Dasan Networks - W-Web versions 1.22-1.27 - CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Frequently asked questions

What is CVE-2023-42495?: Dasan Networks - W-Web versions 1.22-1.27 - CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
How severe is CVE-2023-42495?: CVE-2023-42495 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-2023-42495 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42495?: CVE-2023-42495 affects Dasannetworks W-web. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42495?: 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.
When was CVE-2023-42495 published?: CVE-2023-42495 was published on 2023-12-13 and last updated on 2026-06-17.

References

https://www.gov.il/en/Departments/faq/cve_advisories

Affected products (1)

cpe:2.3:a:dasannetworks:w-web:*:*:*:*:*:*:*:*

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