How severe is CVE-2018-4068?

CVE-2018-4068 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-4068 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4068?

CVE-2018-4068 affects Sierrawireless Airlink Es450 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-4068?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-4068 published?

CVE-2018-4068 was published on 2019-05-06 and last updated on 2026-06-17.

CVE-2018-4068

CVE-2018-4068 is a medium-severity vulnerability in Sierrawireless Airlink Es450 Firmware with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Sierrawireless Airlink Es450 Firmware
Published: 2019-05-06
Last modified: 2026-06-17

Description

An exploitable information disclosure vulnerability exists in the ACEManager functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A HTTP request can result in disclosure of the default configuration for the device. An attacker can send an unauthenticated HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2018-4068?: An exploitable information disclosure vulnerability exists in the ACEManager functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A HTTP request can result in disclosure of the default configuration for the device. An attacker can send an unauthenticated HTTP request to trigger this vulnerability.
How severe is CVE-2018-4068?: CVE-2018-4068 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-4068 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4068?: CVE-2018-4068 affects Sierrawireless Airlink Es450 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4068?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-4068 published?: CVE-2018-4068 was published on 2019-05-06 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0753

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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