CVE-2023-20899Network attack vector

Unauthenticated diagnostic-bundle disclosure via Local Web UI

Published Jul 6, 2023 · Updated Nov 14, 2024

Authentication bypass in VMware SD-WAN Edge before 4.5.2 allows remote attackers to download an Edge Diagnostic bundle. The Edge Local Web UI serves the bundle request without enforcing authentication; VMware has not disclosed the responsible endpoint or code path. Network access to the Edge Local Web UI is required, and the interface is disabled by default; the management console is unaffected.

CVSS severity5.3
Medium
EPSS probability0.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in VMware SD-WAN Edge before 4.5.2 allows remote attackers to download an Edge Diagnostic bundle. The Edge Local Web UI serves the bundle request without enforcing authentication; VMware has not disclosed the responsible endpoint or code path. Network access to the Edge Local Web UI is required, and the interface is disabled by default; the management console is unaffected.

The record

CVE
CVE-2023-20899
Published
Jul 6, 2023
Updated
Nov 14, 2024
Vendor
VMware
Product
VMware SD-WAN Edge
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 14, 2024Record 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=4.5.x
  2. Affected versionversion=5.x
  3. Affected versionversion=VMware SD-WAN (Edge) 4.5.x, VMware SD-WAN (Edge) 5.x

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

VMware · VMware SD-WAN Edgeversion=4.5.x; version=5.x; version=VMware SD-WAN (Edge) 4.5.x, VMware SD-WAN (Edge) 5.x

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.3VMwareCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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-862Missing Authorization
T1190Exploit Public-Facing Application

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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