No exploitation reportedFix available

CVE-2021-29143

Q: Is CVE-2021-29143 actively exploited?

Active exploitation of CVE-2021-29143 has not been confirmed. Its EPSS score was 2.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2021-29143?

CVE-2021-29143 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2021-07-22
Fixed in10.05.0070 · 10.04.3070
WeaknessCWE-78

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

A remote execution of arbitrary commands vulnerability was discovered in Aruba CX 6200F Switch Series, Aruba 6300 Switch Series, Aruba 6400 Switch Series, Aruba 8320 Switch Series, Aruba 8325 Switch Series, Aruba 8400 Switch Series, Aruba CX 8360 Switch Series version(s): Aruba AOS-CX firmware: 10.04.xxxx - versions prior to 10.04.3070, 10.05.xxxx - versions prior to 10.05.0070, 10.06.xxxx - versions prior to 10.06.0110, 10.07.xxxx - versions prior to 10.07.0001. Aruba has released upgrades for Aruba AOS-CX devices that address this security vulnerability.

Timeline

dates in UTC

2021-07-2214:15CVE 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-2021-29143?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-29143?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Arubanetworks aos-cx firmwareversion to verify

Branch	Affected	Fixed in	Source
10.5	≥ 10.05.0000, < 10.05.0070	10.05.0070	NVD
10.4	≥ 10.04.000, < 10.04.3070	10.04.3070	NVD
10.6	≥ 10.06.0000, ≤ 10.06.0110	no fix published	NVD
10.7	≥ 10.07.0000, ≤ 10.07.0001	no fix published	NVD

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

Fix

Update Arubanetworks aos-cx firmware to 10.05.0070 · 10.04.3070

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 3.17.2read 2026-10-23
NVDCVSS 2.09read 2026-10-23
NVDweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score2.6 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published: 2021-07-22
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-29143?

Is CVE-2021-29143 actively exploited?

Active exploitation of CVE-2021-29143 has not been confirmed. Its EPSS score was 2.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-29143?

CVE-2021-29143 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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