CVE-2023-2379Network attack vector

Unauthenticated remote web service interruption

Published Apr 28, 2023 · Updated Jan 30, 2025

Denial of service in Ubiquiti EdgeRouter X 2.0.9-hotfix.0 through 2.0.9-hotfix.6 allows remote attackers to interrupt service. The CNA identifies the Web Service and a resource-release weakness but does not disclose the request, code path, or resource that is mishandled. The interface is reachable without authentication, and the published impact is limited to loss of availability.

CVSS severity7.5
High
EPSS probability1.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Ubiquiti EdgeRouter X 2.0.9-hotfix.0 through 2.0.9-hotfix.6 allows remote attackers to interrupt service. The CNA identifies the Web Service and a resource-release weakness but does not disclose the request, code path, or resource that is mishandled. The interface is reachable without authentication, and the published impact is limited to loss of availability.

The record

CVE
CVE-2023-2379
Published
Apr 28, 2023
Updated
Jan 30, 2025
Vendor
Ubiquiti Inc.
Product
EdgeRouter X
Classifications
CWE-404, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 28, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 30, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.0.9-hotfix.0
  2. Affected versionversion=2.0.9-hotfix.1
  3. Affected versionversion=2.0.9-hotfix.2
  4. Affected versionversion=2.0.9-hotfix.3
  5. Affected versionversion=2.0.9-hotfix.4
  6. Affected versionversion=2.0.9-hotfix.5
  7. Affected versionversion=2.0.9-hotfix.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Ubiquiti Inc. · EdgeRouter Xversion=2.0.9-hotfix.0; version=2.0.9-hotfix.1; version=2.0.9-hotfix.2; version=2.0.9-hotfix.3; version=2.0.9-hotfix.4; version=2.0.9-hotfix.5; version=2.0.9-hotfix.6

Published CVSS scores

7.8VulDBAV:N/AC:L/Au:N/C:N/I:N/A:C
7.5VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-404Improper Resource Shutdown or Release
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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