Code injection in Duke

published 2023-07-28 3 y ago modified 2026-06-17 4 mo ago also GHSA-p83q-99rc-vfmv , EUVD-2023-2110

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

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

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-10-22)

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/larsga/Duke/issues/273 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	no.priv.garshol.duke:duke	<=1.2	no fix listed

Classification

Weakness

CWE-94 Improper Control of Generation of Code
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

github.com /larsga/Duke/issues/273
web, exploit, issue-tracking
nvd.nist.gov /vuln/detail/CVE-2023-39013
advisory
github.com /larsga/Duke
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary