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CVE-2019-11856

LOWCVSS 3.8/10EPSS 0.98%

Last modified

CVE-2019-11856 is a low-severity vulnerability rated 3.8/10 on the CVSS scale. 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.. EPSS estimates a 0.98% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
3.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L

EPSS Probability
0.98%

57.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SierrawirelessAleos<= 4.12.0
SierrawirelessAleos<= 4.9.4
SierrawirelessAleos<= 4.4.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-11856?
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.
How severe is CVE-2019-11856?
CVE-2019-11856 has a CVSS score of 3.8/10 (LOW severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.
How do I fix CVE-2019-11856?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11856?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST