CVE-2019-5319

Name: CVE-2019-5319
Creator: NVD / NIST
Published: 2021-03-30T02:15:16.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.41%

Last modified Jun 17, 2026

CVE-2019-5319 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A remote buffer overflow vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.16 and below; Aruba Instant 8.3.x: 8.3.0.12 and below; Aruba Instant 8.5.x: 8.5.0.6 and below; Aruba Instant 8.6.x: 8.6.0.2 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.. EPSS estimates a 2.41% chance of exploitation in the next 30 days.

Description

A remote buffer overflow vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.16 and below; Aruba Instant 8.3.x: 8.3.0.12 and below; Aruba Instant 8.5.x: 8.5.0.6 and below; Aruba Instant 8.6.x: 8.6.0.2 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.41%

82.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Arubanetworks	Instant	>= 6.4.0.0, <= 6.4.4.8-4.2.4.17
Arubanetworks	Instant	>= 6.5.0.0, < 6.5.4.17
Arubanetworks	Instant	>= 8.3.0.0, < 8.3.0.13
Arubanetworks	Instant	>= 8.5.0.0, < 8.5.0.7
Arubanetworks	Instant	>= 8.6.0.0, < 8.6.0.3
Siemens	Scalance W1750d Firmware	< 8.7.0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdfPatch, Third Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-007.txtVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdfPatch, Third Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-007.txtVendor Advisory

Timeline

Published: Mar 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5319?

How severe is CVE-2019-5319?

CVE-2019-5319 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.41% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5319?

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-2019-5319?

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

Scan your code now

Source: NVD / NIST