CVE-2021-25156
published 2021-03-30CVE-2021-25156: A remote arbitrary directory create vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x…
PriorityP348medium4.9CVSS 3.1
AVNACLPRHUINSUCNIHAN
EXPLOIT
EPSS
40.52%
98.5th percentile
A remote arbitrary directory create 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: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| arubanetworks | instant | 6.4.0.0 – 6.4.4.8-4.2.4.18 | — |
| arubanetworks | instant | >= 6.5.0.0 < 6.5.4.19 | 6.5.4.19 |
| arubanetworks | instant | >= 8.3.0.0 < 8.3.0.15 | 8.3.0.15 |
| arubanetworks | instant | >= 8.5.0.0 < 8.5.0.12 | 8.5.0.12 |
| arubanetworks | instant | >= 8.6.0.0 < 8.6.0.7 | 8.6.0.7 |
| arubanetworks | instant | >= 8.7.1.0 < 8.7.1.1 | 8.7.1.1 |
| siemens | scalance_w1750d_firmware | >= 8.7.0 < 8.7.1.3 | 8.7.1.3 |
CVSS provenance
nvdv3.14.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N
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GHSA
GHSA-6896-p39g-5747: A remote arbitrary directory create vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6
ghsa_unreviewed·2022-05-24
CVE-2021-25156 [MEDIUM] GHSA-6896-p39g-5747: A remote arbitrary directory create vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6
A remote arbitrary directory create 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: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.
CISA ICS
Siemens SCALANCE W1750D (Update B)
cisa_ics·2021-08-10·CVSS 7.2
[HIGH] Siemens SCALANCE W1750D (Update B)
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Siemens SCALANCE W1750D (Update B)
Last RevisedOctober 14, 2021
Alert CodeICSA-21-131-14
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Siemens
- Equipment: SCALANCE W1750D
- Vulnerabilities: Improper Authentication, Classic Buffer Overflow, Command Injection, Improper Input Validation, Race Condition, Cross-site Scripting, Basic XSS, Uncontrolled Resource Consumption
## 2. UPDATE INFORMATION
This updated advisory is a follow-up to the original advisory titled ICSA-21-131-14 Siemens SCALANCE W1750D (Update A) that wa
Suricata
ET WEB_SPECIFIC_APPS HPE Aruba Instant Authenticated Arbitrary Directory Create (cplogo-install) (CVE-2021-25156)
suricata·2025-06-12·CVSS 4.9
CVE-2021-25156 [MEDIUM] ET WEB_SPECIFIC_APPS HPE Aruba Instant Authenticated Arbitrary Directory Create (cplogo-install) (CVE-2021-25156)
ET WEB_SPECIFIC_APPS HPE Aruba Instant Authenticated Arbitrary Directory Create (cplogo-install) (CVE-2021-25156)
Rule: alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS HPE Aruba Instant Authenticated Arbitrary Directory Create (cplogo-install) (CVE-2021-25156)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/swarm.cgi"; fast_pattern; startswith; http.request_body; pcre:"/\x3d[^\x26]*?(?:\x09|\x2509)/"; reference:url,alephsecurity.com/vulns/aleph-2021004; reference:cve,2021-25156; classtype:web-application-attack; sid:2062919; rev:1; metadata:affected_product HPE_Aruba, attack_target Server, created_at 2025_06_12, cve CVE_2021_25156, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 202
No writeups or analysis indexed.
http://packetstormsecurity.com/files/163522/Aruba-Instant-IAP-Remote-Code-Execution.htmlhttps://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdfhttps://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-007.txthttp://packetstormsecurity.com/files/163522/Aruba-Instant-IAP-Remote-Code-Execution.htmlhttps://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdfhttps://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-007.txt
2021-03-30
Published