CVE-2019-11856

ALEOS ACEView Message Replay

LOW

3.8

CVSS Score

Published: August 21, 2020 at 06:49 PM UTC

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

13 products affected across 1 vendorALEOSAirlink Es450Airlink Rv50

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

LOW3.8

Exploit prediction

EPSS 1.0%

Description

A nonce reuse vulnerability exists in the ACEView service of ALEOS before 4.13.0, 4.9.5, and 4.4.9 allowing message replay. Captured traffic to the ACEView service can be replayed to other gateways sharing the same credentials.

Affected

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

ALEOS · Sierrawireless

95%

v ≤ 4.12.0v ≤ 4.4.8v ≤ 4.9.4

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