An exploitable command injection vulnerability exists in the ACEManager iplogging.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9…

published 2019-05-06 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15847

cvss: 8.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 19.5%; EPSS 19.5% chance of exploitation in 30 days, percentile 97%
public exploits: 0; none known

An exploitable command injection vulnerability exists in the ACEManager iplogging.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A specially crafted HTTP request can inject arbitrary commands, resulting in arbitrary command execution. An attacker can send an authenticated HTTP request to trigger this vulnerability.

Vendor advisories

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

cisa ICSA-19-122-03 updated 2020-04-23 cvss 9.1

Sierra Wireless AirLink ALEOS (Update B)

Sierra Wireless GX450 and ES450 < 4.9.4 Sierra Wireless LS300 GX400 GX440 and ES440 < 4.4.9 Sierra Wireless MP70 MP70E RV50 RV50X LX40 and LX60 < 4.12
affected: mitigation “LS300, GX400, GX440, ES440: ALEOS 4.4.9 The ALEOS 4.4.9 Release Note is available (login required)” 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

Exploit prediction

19.49% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2018-0746 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

n/a Sierra Wireless

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

CVE List CVE-2018-4061
NVD CVE-2018-4061

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