How severe is CVE-2023-39013?

CVE-2023-39013 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-2023-39013 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39013?

CVE-2023-39013 affects Larsga Duke. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39013?

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-2023-39013 published?

CVE-2023-39013 was published on 2023-07-28 and last updated on 2026-06-17.

CVE-2023-39013

CVE-2023-39013 is a critical-severity vulnerability in Larsga Duke 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Larsga Duke
Published: 2023-07-28
Last modified: 2026-06-17

Description

Duke v1.2 and below was discovered to contain a code injection vulnerability via the component no.priv.garshol.duke.server.CommonJTimer.init.

Frequently asked questions

What is CVE-2023-39013?: Duke v1.2 and below was discovered to contain a code injection vulnerability via the component no.priv.garshol.duke.server.CommonJTimer.init.
How severe is CVE-2023-39013?: CVE-2023-39013 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-2023-39013 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39013?: CVE-2023-39013 affects Larsga Duke. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39013?: 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-2023-39013 published?: CVE-2023-39013 was published on 2023-07-28 and last updated on 2026-06-17.

References

https://github.com/larsga/Duke/issues/273

Affected products (1)

cpe:2.3:a:larsga:duke:*:*:*:*:*:*:*:*

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