How severe is CVE-2023-5720?

CVE-2023-5720 has a CVSS 3.x base score of 7.7, 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 none, and availability none.

Is CVE-2023-5720 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5720?

CVE-2023-5720 primarily affects Quarkus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-5720?

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-2023-5720 published?

CVE-2023-5720 was published on 2023-11-15 and last updated on 2026-06-17.

CVE-2023-5720

CVE-2023-5720 is a high-severity vulnerability in Quarkus with a CVSS 3.x base score of 7.7. 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-526.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-526
Affected product: Quarkus
Published: 2023-11-15
Last modified: 2026-06-17

Description

A flaw was found in Quarkus, where it does not properly sanitize artifacts created using the Gradle plugin, allowing certain build system information to remain. This flaw allows an attacker to access potentially sensitive information from the build system within the application.

Frequently asked questions

What is CVE-2023-5720?: A flaw was found in Quarkus, where it does not properly sanitize artifacts created using the Gradle plugin, allowing certain build system information to remain. This flaw allows an attacker to access potentially sensitive information from the build system within the application.
How severe is CVE-2023-5720?: CVE-2023-5720 has a CVSS 3.x base score of 7.7, 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 none, and availability none.
Is CVE-2023-5720 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5720?: CVE-2023-5720 primarily affects Quarkus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-5720?: 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-2023-5720 published?: CVE-2023-5720 was published on 2023-11-15 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*
cpe:2.3:a:quarkus:quarkus:3.0.0:candidate_release1:*:*:*:*:*:*
cpe:2.3:a:quarkus:quarkus:3.0.0:candidate_release2:*:*:*:*:*:*

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