CVE-2024-25660Network attack vector

Unauthorized file operations via overprivileged WebDAV service

Published Oct 1, 2024 · Updated Mar 25, 2025

Incorrect privilege assignment in Infinera TNMS 21.10 and earlier allows remote authenticated users to alter files through WebDAV. The WebDAV service executes file operations with privileges beyond those assigned to the requesting low-privileged account. Exploitation requires low-privileged network access and user interaction, exposing files to unauthorized access and modification.

CVSS severity9.0
Critical
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect privilege assignment in Infinera TNMS 21.10 and earlier allows remote authenticated users to alter files through WebDAV. The WebDAV service executes file operations with privileges beyond those assigned to the requesting low-privileged account. Exploitation requires low-privileged network access and user interaction, exposing files to unauthorized access and modification.

The record

CVE
CVE-2024-25660
Published
Oct 1, 2024
Updated
Mar 25, 2025
Vendor
Infinera
Product
Transcend Network Management System
Classifications
CWE-266, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 1, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=19.10.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Infinera · Transcend Network Management Systemversion=19.10.3

Published CVSS scores

9.0CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-266Incorrect Privilege Assignment
T1565.001Stored Data Manipulation

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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