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No exploitation reported

CVE-2018-4066

No exploitation reported by the sources we read.

  • Published2019-05-06
  • WeaknessCWE-352

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An exploitable cross-site request forgery vulnerability exists in the ACEManager functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A specially crafted HTTP request can cause an authenticated user to perform privileged requests unknowingly, resulting in unauthenticated requests being requested through an authenticated user. An attacker can get an authenticated user to request authenticated pages on the attacker's behalf to trigger this vulnerability.

Timeline

dates in UTC
  1. 2019-05-0619:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-4066?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-4066?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Sierrawireless airlink es450 firmwareversion to verify
BranchAffectedFixed in
4.9= 4.9.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-19-122-03 CISA3 known affected

    Sierra Wireless AirLink ALEOS (Update B)

    MP70 MP70E RV50 RV50X LX40 and LX60: All versions prior to 4.12 · LS300 GX400 GX440 and ES440: All versions prior to 4.4.9 · GX450 and ES450: All versions prior to 4.9.4

Full record on NVD

Fix

  1. Mitigation from the vendor CISA ICSA-19-122-03 · 3 productsSierra Wireless recommends users upgrade to the latest version of ALEOS for the products and versions below. For upgrade assistance, contact an authorized AirLink reseller, Sierra Wireless sales, technical representative, or Sierra Wireless technical support.
  2. Mitigation from the vendor CISA ICSA-19-122-03 · 3 productsLS300, GX400, GX440, ES440: ALEOS 4.4.9 The ALEOS 4.4.9 Release Note is available (login required)
  3. Mitigation from the vendor CISA ICSA-19-122-03 · 3 productsGX450, ES450: ALEOS 4.9.4.p09
  4. Mitigation from the vendor CISA ICSA-19-122-03 · 3 productsMP70, MP70E, RV50, RV50X, LX40, LX60: ALEOS 4.12 The ALEOS 4.12.0 Release Note is available (login required)
  5. Mitigation from the vendor CISA ICSA-19-122-03 · 3 productsEnsure a strong password is set for the user account. For guidance on password strength, Sierra Wireless recommends the “memorized secret authenticator” guidelines in NIST SP800-63B.
  6. Mitigation from the vendor CISA ICSA-19-122-03 · 3 productsIf ALEOS Application Framework (AAF) is enabled, ensure a strong password is set for the AAF User account.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.08.8read 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • CNAweakness (CWE)CWE-352known since 2026-10-23
  • NVDweakness (CWE)CWE-352read 2026-10-23
  • FIRST EPSSEPSS score1.9 %2026-11-03

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2019-05-06
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2018-4066?

An exploitable cross-site request forgery vulnerability exists in the ACEManager functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A specially crafted HTTP request can cause an authenticated user to perform privileged requests unknowingly, resulting in unauthenticated requests being requested through an authenticated user. An attacker can get an authenticated user to request authenticated pages on the attacker's behalf to trigger this vulnerability.

Is CVE-2018-4066 actively exploited?

Active exploitation of CVE-2018-4066 has not been confirmed. Its EPSS score was 1.9% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-4066?

CVE-2018-4066 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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