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Zoho CVE-2023-35786

MEDIUM
Improper Restriction of XML External Entity Reference (CWE-611)
2023-07-05 cve@mitre.org
XXE Zoho Manageengine Admanager Plus Zohocorp
4.9
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-611
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.

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Impact

CVSS score of 4.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived

A remote attacker could read arbitrary files or perform SSRF through XML processing by sending crafted requests to the affected application.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 3.0% exploitation probability (EPSS)

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AnalysisAI

Zoho ManageEngine ADManager Plus before 7183 allows admin users to exploit an XXE issue to view files. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. 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.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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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. Zoho ManageEngine ADManager Plus before 7183 allows admin users to exploit an XXE issue to view files. Affected products include: Zohocorp Manageengine Admanager Plus. Version information: before 7183.

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

NVD PRIMARY 4.9 MEDIUM
AV:N/AC:L/PR:H/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
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

Zoho ManageEngine ADManager Plus before 7183 allows admin users to exploit an XXE issue to view files.

Threat Intelligence Overview

EPSS Score
3.0%
Top 14% 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 MEDIUM
CISA KEV No
Public POC No
EPSS 3.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
No
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +3
CVSS: +24
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

XML External Entity Injection HIGH

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:zohocorp:manageengine_admanager_plus:*:*:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:-:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7100:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7101:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7102:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7110:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7111:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7112:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7113:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7114:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7115:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7116:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7117:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7118:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7120:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7121:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7122:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7123:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7124:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7125:*:*:*:*:*:*
+ 16 more

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Same weakness CWE-611 – Improper Restriction of XML External Entity Reference

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CVE-2017-12629 CRITICAL POC
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CVE-2012-3363 CRITICAL POC
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CVE-2016-4264 HIGH POC
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Same technique XXE

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References

Advisories & patches
ADVISORY https://www.manageengine.com/products/ad-manager/admanager-kb/cve-2023-35786.html

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