How severe is CVE-2023-2240?

CVE-2023-2240 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-2240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2240?

CVE-2023-2240 affects Microweber. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2240?

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

When was CVE-2023-2240 published?

CVE-2023-2240 was published on 2023-04-22 and last updated on 2026-06-17.

CVE-2023-2240

CVE-2023-2240 is a high-severity vulnerability in Microweber with a CVSS 3.x base score of 8.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Microweber
Published: 2023-04-22
Last modified: 2026-06-17

Description

Improper Privilege Management in GitHub repository microweber/microweber prior to 1.3.4.

Frequently asked questions

What is CVE-2023-2240?: Improper Privilege Management in GitHub repository microweber/microweber prior to 1.3.4.
How severe is CVE-2023-2240?: CVE-2023-2240 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-2240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2240?: CVE-2023-2240 affects Microweber. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2240?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-2240 published?: CVE-2023-2240 was published on 2023-04-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*

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