CVE-2023-40461Network attack vector

Stored cross-site scripting via unvalidated upload filename

Published Dec 4, 2023 · Updated Feb 25, 2026

Stored cross-site scripting in Sierra Wireless ALEOS 4.16 and earlier allows remote authenticated users to execute scripts in ACEManager. The file upload field accepts a filename without complete validation and stores it for later rendering in the ACEManager web interface. Administrator privileges are required to submit the filename, and the resulting script executes in an ACEManager browser context.

CVSS severity8.1
High
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in Sierra Wireless ALEOS 4.16 and earlier allows remote authenticated users to execute scripts in ACEManager. The file upload field accepts a filename without complete validation and stores it for later rendering in the ACEManager web interface. Administrator privileges are required to submit the filename, and the resulting script executes in an ACEManager browser context.

The record

CVE
CVE-2023-40461
Published
Dec 4, 2023
Updated
Feb 25, 2026
Vendor
Sierra Wireless
Product
ALEOS
Classifications
CWE-79, CAPEC-63, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Dec 4, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 25, 2026Record 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=0 <=4.9.8
  2. Affected versionversion=4.10 <=4.16

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Sierra Wireless · ALEOSversion=0 <=4.9.8; version=4.10 <=4.16

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
8.1Sierra Wireless Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-63Cross-Site Scripting (XSS)
T1059.007Command and Scripting Interpreter: JavaScript

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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