CVE-2019-11852

ALEOS ACEView Service Out-Of-Bounds Read

CRITICAL

9.1

CVSS Score

Published: August 21, 2020 at 06:45 PM UTC

Updated: June 17, 2026 at 02:13 AM UTC

13 products affected across 1 vendorALEOSAirlink Es450Airlink Rv50

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Severity

CRITICAL9.1

Exploit prediction

EPSS 0.9%

Description

An out-of-bounds reads vulnerability exists in the ACEView Service of ALEOS before 4.13.0, 4.9.5, and 4.4.9. Sensitive information may be disclosed via the ACEviewservice, accessible by default on the LAN.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

ALEOS · Sierrawireless

95%

v < 4.13.0v < 4.4.9v < 4.9.5

Affected range stops below 4.13.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.4.9, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.9.5, so it looks safe — our inference, not a vendor statement

sierrawireless-airlink-es440 (environment) · sierrawireless-airlink-es450 (environment) · sierrawireless-airlink-gx400 (environment) · sierrawireless-airlink-gx440 (environment) · sierrawireless-airlink-gx450 (environment) · sierrawireless-airlink-ls300 (environment) · sierrawireless-airlink-lx40 (environment) · sierrawireless-airlink-lx60 (environment) · sierrawireless-airlink-mp70 (environment) · sierrawireless-airlink-mp70e (environment) · sierrawireless-airlink-rv50 (environment) · sierrawireless-airlink-rv50x (environment)

Airlink Es440 · Sierrawirelessdevice

80%

All versions

Airlink Es450 · Sierrawirelessdevice

80%

All versions

Airlink Gx400 · Sierrawirelessdevice

80%

All versions

Airlink Gx440 · Sierrawirelessdevice

80%

All versions