Skip to main content

Hutool CVE-2023-3276

HIGH
Improper Restriction of XML External Entity Reference (CWE-611)
2023-06-15 cna@vuldb.com
7.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A02:2025 - Security Misconfiguration
ASVS 5.0
V13 - Configuration XML external entity prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could read arbitrary files or perform SSRF through XML processing by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.7% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

A vulnerability, which was classified as problematic, has been found in Dromara HuTool up to 5.8.19. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

Affected Packages

maven cn.hutool:hutool-core no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in maven

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. A vulnerability, which was classified as problematic, has been found in Dromara HuTool up to 5.8.19. Affected by this issue is the function readBySax of the file XmlUtil.java of the component XML Parsing Module. The manipulation leads to xml external entity reference. The exploit has been disclosed to the public and may be used. VDB-231626 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. Affected products include: Dromara Hutool. Version information: up to 5.8.19..

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 vulnerability, which was classified as problematic, has been found in Dromara HuTool up to 5.8.19. Affected by this issue is the function readBySax of the file XmlUtil.java of the component XML Parsing Module. The manipulation leads to xml external entity reference. The exploit has been disclosed to the public and may be used. VDB-231626 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Threat Intelligence Overview

EPSS Score
0.7%
Top 50% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

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 Yes
EPSS 0.7%
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
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

59
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +38
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

XML External Entity (XXE) attacks exploit XML parsers that process Document Type Definitions (DTDs) without proper restrictions.

Affected Products (CPE)NVD

cpe:2.3:a:dromara:hutool:*:*:*:*:*:*:*:*

More in Hutool

View all
CVE-2023-42277 CRITICAL POC
9.8 Sep 08

hutool v5.8.21 was discovered to contain a buffer overflow via the component jsonObject.putByPath. Rated critical severi

CVE-2023-42276 CRITICAL POC
9.8 Sep 08

hutool v5.8.21 was discovered to contain a buffer overflow via the component jsonArray. Rated critical severity (CVSS 9.

CVE-2023-24163 CRITICAL POC
9.8 Jan 31

SQL Inection vulnerability in Dromara hutool before 5.8.21 allows attacker to execute arbitrary code via the aviator tem

CVE-2023-24162 CRITICAL POC
9.8 Jan 31

Deserialization vulnerability in Dromara Hutool v5.8.11 allows attacker to execute arbitrary code via the XmlUtil.readOb

CVE-2023-51080 HIGH POC
7.5 Dec 27

The NumberUtil.toBigDecimal method in hutool-core v5.8.23 was discovered to contain a stack overflow. Rated high severit

CVE-2023-51075 HIGH POC
7.5 Dec 27

hutool-core v5.8.23 was discovered to contain an infinite loop in the StrSplitter.splitByRegex function. Rated high seve

CVE-2023-42278 HIGH POC
7.5 Sep 08

hutool v5.8.21 was discovered to contain a buffer overflow via the component JSONUtil.parse(). Rated high severity (CVSS

CVE-2022-4565 HIGH POC
7.5 Dec 16

A vulnerability classified as problematic was found in Dromara HuTool up to 5.8.10. Rated high severity (CVSS 7.5), this

CVE-2022-45690 HIGH POC
7.5 Dec 13

A stack overflow in the org.json.JSONTokener.nextValue::JSONTokener.java component of hutool-json v5.8.10 allows attacke

CVE-2022-45689 HIGH POC
7.5 Dec 13

hutool-json v5.8.10 was discovered to contain an out of memory error. Rated high severity (CVSS 7.5), this vulnerability

CVE-2022-45688 HIGH POC
7.5 Dec 13

A stack overflow in the XML.toJSONObject component of hutool-json v5.8.10 allows attackers to cause a Denial of Service

CVE-2023-33695 HIGH POC
7.1 Jun 13

Hutool v5.8.17 and below was discovered to contain an information disclosure vulnerability via the File.createTempFile()

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy