How severe is CVE-2018-4064?

CVE-2018-4064 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2018-4064 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4064?

CVE-2018-4064 affects Sierrawireless Airlink Es450 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-4064?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-4064 published?

CVE-2018-4064 was published on 2019-10-31 and last updated on 2026-06-17.

CVE-2018-4064

CVE-2018-4064 is a high-severity vulnerability in Sierrawireless Airlink Es450 Firmware with a CVSS 3.x base score of 7.1. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 5.5
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Sierrawireless Airlink Es450 Firmware
Published: 2019-10-31
Last modified: 2026-06-17

Description

An exploitable unverified password change vulnerability exists in the ACEManager upload.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A specially crafted HTTP request can cause a unverified device configuration change, resulting in an unverified change of the user password on the device. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2018-4064?: An exploitable unverified password change vulnerability exists in the ACEManager upload.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A specially crafted HTTP request can cause a unverified device configuration change, resulting in an unverified change of the user password on the device. An attacker can make an authenticated HTTP request to trigger this vulnerability.
How severe is CVE-2018-4064?: CVE-2018-4064 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2018-4064 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4064?: CVE-2018-4064 affects Sierrawireless Airlink Es450 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4064?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-4064 published?: CVE-2018-4064 was published on 2019-10-31 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0749

Affected products (1)

cpe:2.3:o:sierrawireless:airlink_es450_firmware:4.9.3:*:*:*:*:*:*:*

More vulnerabilities in Sierrawireless Airlink Es450 Firmware

CVE-2018-4073 — High (CVSS 8.8): An exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSet_Task.cgi functionality of…
CVE-2018-4072 — High (CVSS 8.8): An exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSet_Task.cgi functionality of…
CVE-2018-4071 — High (CVSS 8.8): An exploitable Information Disclosure vulnerability exists in the ACEManager EmbeddedAceGet_Task.cgi functionality of…
CVE-2018-4070 — High (CVSS 8.8): An exploitable Information Disclosure vulnerability exists in the ACEManager EmbeddedAceGet_Task.cgi functionality of…
CVE-2018-4066 — High (CVSS 8.8): An exploitable cross-site request forgery vulnerability exists in the ACEManager functionality of Sierra Wireless…
CVE-2018-4061 — High (CVSS 8.8): An exploitable command injection vulnerability exists in the ACEManager iplogging.cgi functionality of Sierra Wireless…

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Other CWE-287 (Improper Authentication) vulnerabilities

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