Onos
CVE-2023-41591
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Anti-spoofing controls
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.29%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system. |
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Alert meAnalysisAIv1 – Mar 28, 2026
An issue in Open Network Foundation ONOS v2.7.0 allows attackers to create fake IP/MAC addresses and potentially execute a man-in-the-middle attack on communications between fake and real hosts. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Earlier versions of this analysis (1)
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.
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
This vulnerability is classified under CWE-290. An issue in Open Network Foundation ONOS v2.7.0 allows attackers to create fake IP/MAC addresses and potentially execute a man-in-the-middle attack on communications between fake and real hosts. Affected products include: Opennetworking Onos.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
An issue in Open Network Foundation ONOS v2.7.0 allows attackers to create fake IP/MAC addresses and potentially execute a man-in-the-middle attack on communications between fake and real hosts.
Executive ViewAI
Organizations using Open Network Foundation ONOS face critical risk from CVE-2023-41591 rated CVSS 9.8. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems. Organizations should apply vendor updates immediately when available and implement compensating controls in the interim.
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
NVD
CVE.org
EPSS
GitHub
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
ONOS ONOS controller version 1.13.1 and earlier contains a XML External Entity (XXE) vulnerability in onos\drivers\utili
ONOS ONOS Controller version 1.13.1 and earlier contains a XML External Entity (XXE) vulnerability in. Rated critical se
An issue in onos v2.7.0 allows attackers to trigger unexpected behavior within a device connected to a legacy switch via
ONOS ONOS Controller version 1.13.1 and earlier contains a Denial of Service (Service crash) vulnerability in OVSDB comp
Linux foundation ONOS 1.9.0 is vulnerable to unauthenticated upload of applications (.oar) resulting in remote code exec
A cross-site scripting (XSS) vulnerability in Open Networking Foundation ONOS from version v1.9.0 to v2.7.0 allows attac
A cross-site scripting (XSS) vulnerability in Open Networking Foundation ONOS from version v1.9.0 to v2.7.0 allows attac
In ONOS 1.15.0, apps/yang/web/src/main/java/org/onosproject/yang/web/YangWebResource.java mishandles backquote character
Open Networking Foundation (ONF) ONOS version 1.13.2 and earlier version contains a Directory Traversal vulnerability in
ONOS before 1.5.0 when using the ifwd app allows remote attackers to cause a denial of service (NULL pointer dereference
Linux foundation ONOS 1.9.0 is vulnerable to a DoS. Rated high severity (CVSS 7.5), this vulnerability is remotely explo
ONOS versions 1.8.0, 1.9.0, and 1.10.0 do not restrict the amount of memory allocated. Rated high severity (CVSS 7.5), t
Exploit-DB