How severe is CVE-2023-33740?

CVE-2023-33740 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-33740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33740?

CVE-2023-33740 affects Luowice. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33740?

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-2023-33740 published?

CVE-2023-33740 was published on 2023-05-30 and last updated on 2026-06-17.

CVE-2023-33740

CVE-2023-33740 is a high-severity vulnerability in Luowice with a CVSS 3.x base score of 7.5. 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-346.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-346
Affected product: Luowice
Published: 2023-05-30
Last modified: 2026-06-17

Description

Incorrect access control in luowice v3.5.18 allows attackers to access cloud source code information via modification fo the Verify parameter in a warning message.

Frequently asked questions

What is CVE-2023-33740?: Incorrect access control in luowice v3.5.18 allows attackers to access cloud source code information via modification fo the Verify parameter in a warning message.
How severe is CVE-2023-33740?: CVE-2023-33740 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-33740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33740?: CVE-2023-33740 affects Luowice. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33740?: 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-2023-33740 published?: CVE-2023-33740 was published on 2023-05-30 and last updated on 2026-06-17.

References

https://github.com/zzh-newlearner/record/blob/main/luowice_warning.md

Affected products (1)

cpe:2.3:a:luowice:luowice:3.5.18:*:*:*:*:android:*:*

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