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N Central CVE-2025-11700

HIGH
Improper Restriction of XML External Entity Reference (CWE-611)
2025-11-12 a5532a13-c4dd-4202-bef1-e0b8f2f8d12b
8.4
CVSS 4.0 · Vendor: a5532a13-c4dd-4202-bef1-e0b8f2f8d12b
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 8.4, EPSS 51.2%. N-central is a major RMM platform used by MSPs to manage thousands of client endpoints. Compromising the RMM server provides access to every managed device's credentials, enabling supply chain attacks against all MSP customers simultaneously.

Exploit ScenarioDerived

An attacker sends XML requests with XXE payloads to N-central endpoints. They extract the N-central configuration files containing database credentials and API keys. They access the management database to obtain credentials for all managed endpoints across multiple MSP customers, enabling mass deployment of ransomware.

Act Now Prioritize within 24-48h. Why: HIGH severity + EPSS > 10%.
No patch listed yet 51.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

N-able N-central remote monitoring and management platform versions before 2025.4 contain multiple XML External Entity injection vulnerabilities. Attackers can exploit these to read sensitive files from the RMM server, including configuration files containing credentials for all managed endpoints.

Earlier versions of this analysis (1)
v1 Mar 28, 2026 - 19:21 CVSS 8.4

Multiple XXE injection vulnerabilities in N-central RMM platform expose sensitive server files and managed endpoint credentials.

RemediationAI

Update to N-central 2025.4 or later. Disable XML external entity processing. Rotate all managed endpoint credentials. Review RMM audit logs for unauthorized access. Implement network segmentation for RMM infrastructure.

Affects your stack

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

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

Technical ContextAI · show details

N-central's XML processing endpoints fail to disable external entity resolution. An attacker can inject XXE payloads that read local files from the N-central server. As an RMM platform, the server stores credentials, API keys, and configuration data for all managed devices and endpoints in the customer base.

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Severity by source

Vendor (a5532a13-c4dd-4202-bef1-e0b8f2f8d12b) PRIMARY 8.4 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:L

Primary rating from Vendor (a5532a13-c4dd-4202-bef1-e0b8f2f8d12b) · only source for this CVE.

CVSS VectorVendor: a5532a13-c4dd-4202-bef1-e0b8f2f8d12b

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
High
Subsequent system: Integrity
Low
Subsequent system: Availability
Low

DescriptionCVE.org

N-central versions < 2025.4 are vulnerable to multiple XML External Entities injection leading to information disclosure

Executive ViewAI

Why It Matters

CVE-2025-11700 presents notable security risk, a XML external entity vulnerability rated CVSS 8.4. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. With an EPSS score of 51%, this vulnerability faces very high likelihood of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: High
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

Threat Score
4.7/10
Composite threat intelligence
EPSS Score
51.2%
Top 2% 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 51.2%
Patch available No
Active threat Yes
Deciding rule
HIGH severity + EPSS > 10%
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
No
Human Impact
High

Priority Score

113
Low Medium High Critical
KEV: 0
EPSS: +51
CVSS: +42
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.

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

Affected Products (CPE)CVE.org

cpe:2.3:a:n-able:n-central:*:*:*:*:*:*:*:*
CVE-2026-86218 CRITICAL POC
10.0 Sep 06

Pre-authentication remote code execution in N-able N-central before 2026.3.1.14 allows unauthenticated remote attackers

CVE-2026-18577 HIGH POC
8.2 Aug 02

Authentication bypass and account takeover in N-able N-central through version 2026.3.1 stem from an incomplete remediat

CVE-2026-18556 HIGH POC
8.2 Aug 01

Authentication bypass in N-able N-central through version 2026.1 allows unauthenticated remote attackers to circumvent a

CVE-2025-8876 CRITICAL
9.4 Aug 14

N-able N-central before 2025.3.1 contains an OS command injection through improper input validation, companion vulnerabi

CVE-2025-8875 CRITICAL
9.4 Aug 14

N-able N-central before 2025.3.1 contains a deserialization vulnerability allowing local code execution through crafted

CVE-2024-28200 CRITICAL POC
9.8 Jul 01

The N-central server is vulnerable to an authentication bypass of the user interface. Rated critical severity (CVSS 9.8)

CVE-2020-15909 HIGH POC
8.8 Oct 19

SolarWinds N-central through 2020.1 allows session hijacking and requires user interaction or physical access. Rated hig

CVE-2026-86207 HIGH POC
7.7 Sep 05

Authentication bypass in N-able N-central before version 2026.3 HF 3 permits low-privileged authenticated users to acces

CVE-2020-7984 HIGH POC
7.5 Jan 26

SolarWinds N-central before 12.1 SP1 HF5 and 12.2 before SP1 HF2 allows remote attackers to retrieve cleartext domain ad

CVE-2026-86206 MEDIUM POC
6.9 Sep 05

Unauthenticated remote access to restricted internal APIs is possible in N-able N-central due to an incomplete access co

CVE-2025-11367 CRITICAL
10.0 Nov 12

The N-central Software Probe < 2025.4 is vulnerable to Remote Code Execution via deserialization. Rated critical severit

CVE-2025-11366 CRITICAL
9.4 Nov 12

N-central < 2025.4 is vulnerable to authentication bypass via path traversal. Rated critical severity (CVSS 9.4), this v

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