A remote path traversal vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Pri…

published 2021-09-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24214

cvss: 4.9; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

A remote path traversal vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.4-2.2.0.4; Prior to 8.7.1.1, 8.6.0.7, 8.5.0.11, 8.3.0.16. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.

Patch / fix

fixed in 3

arubanetworks sd-wan 2.2.0.4
arubanetworks arubaos 8.3.0.16, 8.5.0.11, 8.6.0.7, 8.7.1.1
siemens scalance_w1750d_firmware 8.7.1.3

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-287-07 updated 2022-10-11 cvss 4.9

Siemens SCALANCE

Siemens SCALANCE W1750D <V8.7.1.3
affected: fixed in V8.7.1.3, workaround support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

cert-portal.siemens.com https://cert-portal.siemens.com/productcert/pdf/ssa-280624.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

n/a Aruba SD-WAN Software and Gateways; Aruba Operating System Software

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

cert-portal.siemens.com /productcert/pdf/ssa-280624.pdf
exploit, third-party-advisory
arubanetworks.com /assets/alert/ARUBA-PSA-2021-016.txt
vendor-advisory

Sources

CVE List CVE-2021-37733
NVD CVE-2021-37733

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary