Improper input leads to DoS

published 2023-12-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45031

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

The ACEManager component of ALEOS 4.16 and earlier does not

validate uploaded file names and types, which could potentially allow

an authenticated user to perform client-side script execution within

ACEManager, altering the device functionality until the device is

restarted.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-341-06 updated 2023-12-07 cvss 7.1

Sierra Wireless AirLink with ALEOS firmware

Sierra Wireless AirLink ALEOS firmware <4.9.9, <4.17.0
affected: vendor fix, mitigation “Sierra Wireless has released the following software fixes and recommends users update their devices:” source.sierrawireless.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2023-12-23)

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

SierraWireless ALEOS

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type
CWE-79 Improper Neutralization of Input During Web Page Generation

References

source.sierrawireless.com /resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.5ZcnyPM1.dpbs
vendor-advisory

Sources

CVE List CVE-2023-40460
NVD CVE-2023-40460

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary