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Quarkus CVE-2023-5720

HIGH
Cleartext Storage of Sensitive Information in an Environment Variable (CWE-526)
2023-11-15 secalert@redhat.com
Information Disclosure Quarkus
7.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-526
OWASP Top 10:2025
A02:2025 - Security Misconfiguration
ASVS 5.0
V13 - Configuration Environment variable protection
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

maven io.quarkus:quarkus-project no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in maven

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Technical ContextAI · show details

This vulnerability is classified under CWE-526. 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. Affected products include: Quarkus.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
0.8%
Top 47% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

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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Same weakness CWE-526 – Cleartext Storage of Sensitive Information in an Environment Variable

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Same technique Information Disclosure

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CVE-2015-1701 HIGH POC
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References

Advisories & patches
ADVISORY https://access.redhat.com/security/cve/CVE-2023-5720 ADVISORY https://bugzilla.redhat.com/show_bug.cgi?id=2245700

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