How severe is CVE-2023-3891?

CVE-2023-3891 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-3891 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3891?

CVE-2023-3891 affects Lapce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3891?

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-2023-3891 published?

CVE-2023-3891 was published on 2023-09-15 and last updated on 2026-06-17.

CVE-2023-3891

CVE-2023-3891 is a high-severity vulnerability in Lapce with a CVSS 3.x base score of 7.3. 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-367.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-367
Affected product: Lapce
Published: 2023-09-15
Last modified: 2026-06-17

Description

Race condition in Lapce v0.2.8 allows an attacker to elevate privileges on the system

Frequently asked questions

What is CVE-2023-3891?: Race condition in Lapce v0.2.8 allows an attacker to elevate privileges on the system
How severe is CVE-2023-3891?: CVE-2023-3891 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-3891 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3891?: CVE-2023-3891 affects Lapce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3891?: 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-2023-3891 published?: CVE-2023-3891 was published on 2023-09-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lapce:lapce:0.2.8:*:*:*:*:*:*:*

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