No exploitation reportedFix available

CVE-2019-5321

Q: Is CVE-2019-5321 actively exploited?

Active exploitation of CVE-2019-5321 has not been confirmed. Its EPSS score was 2.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-5321?

CVE-2019-5321 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2020-08-26
Fixed in16.10.0003 · 16.09.0007 · 16.08.0009

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Aruba Intelligent Edge Switch Series 2540, 2530, 2930F, 2930M, 2920, 5400R, and 3810M with firmware 16.08.* before 16.08.0009, 16.09.* before 16.09.0007, 16.10.* before 16.10.0003 are vulnerable to Remote Unauthorized Access in the WebUI.

Timeline

dates in UTC

2020-08-2623:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-5321?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-5321?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Arubanetworks 2530 firmwareversion to verify

Branch	Affected	Fixed in	Source
16.10	≥ 16.10.0, < 16.10.0003	16.10.0003	NVD
16.9	≥ 16.09.0, < 16.09.0007	16.09.0007	NVD
16.8	≥ 16.08.0, < 16.08.0009	16.08.0009	NVD

Arubanetworks 2540 firmwareversion to verify

Branch	Affected	Fixed in	Source
16.10	≥ 16.10.0, < 16.10.0003	16.10.0003	NVD
16.9	≥ 16.09.0, < 16.09.0007	16.09.0007	NVD
16.8	≥ 16.08.0, < 16.08.0009	16.08.0009	NVD

Arubanetworks 2920 firmwareversion to verify

Branch	Affected	Fixed in	Source
16.10	≥ 16.10.0, < 16.10.0003	16.10.0003	NVD
16.9	≥ 16.09.0, < 16.09.0007	16.09.0007	NVD
16.8	≥ 16.08.0, < 16.08.0009	16.08.0009	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Arubanetworks 2530 firmware to 16.10.0003 · 16.09.0007 · 16.08.0009

Advisories and patches

www.arubanetworks.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
FIRST EPSSEPSS score2.4 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2020-08-26
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-5321?

Is CVE-2019-5321 actively exploited?

Active exploitation of CVE-2019-5321 has not been confirmed. Its EPSS score was 2.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-5321?

CVE-2019-5321 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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