5.3
MEDIUM
CVE-2021-37735
Aruba Instant Denial of Service Vulnerability
Description

A remote denial of service vulnerability was discovered in Aruba Instant version(s): Aruba Instant 6.5.x.x: 6.5.4.18 and below; Aruba Instant 8.5.x.x: 8.5.0.10 and below; Aruba Instant 8.6.x.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.

INFO

Published Date :

Oct. 12, 2021, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 6:15 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-37735 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens scalance_w1750d_firmware
2 Siemens scalance_w1750d
1 Arubanetworks aruba_instant
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-37735.

URL Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf Patch Third Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf Patch Third Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-37735 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-37735 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf
    Added Reference https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 24, 2021

    Action Type Old Value New Value
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf Patch, Third Party Advisory
  • CVE Modified by [email protected]

    Nov. 17, 2021

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf [No Types Assigned]
  • Modified Analysis by [email protected]

    Nov. 10, 2021

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.7.1.3 OR cpe:2.3:h:siemens:scalance_w1750d:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 10, 2021

    Action Type Old Value New Value
    Removed Reference https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 09, 2021

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 18, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt No Types Assigned https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt Vendor Advisory
    Added CWE NIST CWE-134
    Added CPE Configuration OR *cpe:2.3:a:arubanetworks:aruba_instant:*:*:*:*:*:*:*:* versions from (including) 6.5.4.0 up to (excluding) 6.5.4.18 *cpe:2.3:a:arubanetworks:aruba_instant:*:*:*:*:*:*:*:* versions from (including) 8.5.0.0 up to (excluding) 8.5.0.11 *cpe:2.3:a:arubanetworks:aruba_instant:*:*:*:*:*:*:*:* versions from (including) 8.6.0.0 up to (excluding) 8.6.0.5
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-37735 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-37735 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.24 }} 0.05%

score

0.61178

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability