# What is CVE-2021-41000?

> CVE-2021-41000 is a high-severity flaw (CVSS 8.8) in Aruba 8320 from HPE, published on 2 March 2022. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 2.6%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2021-41000

## At a glance

- **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle.
- **Precursor Intelligence risk score:** 49 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** High (CVSS 8.8 out of 10)
- **Known to be exploited:** No, not on the list of flaws known to be exploited today
- **Chance of use in the next 30 days:** 2.6% (latest exploit-likelihood forecast)
- **Published:** 2 March 2022
- **Record last updated:** 27 September 2022
- **Main product:** Aruba 8320 from HPE
- **Affected products:** 15

## What is CVE-2021-41000? In plain terms

It can be attacked from anywhere on the internet with an ordinary user account, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline.

### The official description

Multiple authenticated remote code execution vulnerabilities were discovered in the AOS-CX command line interface 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): AOS-CX 10.06.xxxx: 10.06.0170 and below, AOS-CX 10.07.xxxx: 10.07.0050 and below, AOS-CX 10.08.xxxx: 10.08.1030 and below. Aruba has released upgrades for Aruba AOS-CX devices that address these security vulnerabilities.

### What kind of flaw is it?

- CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

### How an attack on it works

- Where an attacker can be: Anywhere on the internet
- How hard it is to pull off: Easy: no special conditions
- Login needed first: An ordinary user account
- Does someone have to click: No, nobody has to do anything
- What an attacker gets: Can read data, change data and take it offline

Severity vector: `CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

## Is CVE-2021-41000 being exploited? Not that we know of

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 2.6%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 2.6%, 2.6%, 2.6%, 2.6%, 2.6%, 2.6%, 2.6%.

### Timeline

- 2 March 2022: Published
- 27 September 2022: Record last updated

### How Precursor Intelligence ranks it

CVE-2021-41000 scores **49 out of 100 (Medium)**, with the action "Plan remediation".

Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less:

- Evidence it is being exploited: biggest factor
- How severe it is: strong factor
- How widely exposed it is: smaller factor
- Threat activity around it: smaller factor

85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it.

## Who is affected by CVE-2021-41000?

The published record lists 15 products.

- [Aruba 8320](https://www.precursorintelligence.com/product/hpe/aruba_8320) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Arubaos-Cx](https://www.precursorintelligence.com/product/hpe/arubaos-cx) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Operating system): 10.06.0001 to 10.06.0170, 10.07.0001 to 10.07.0020, 10.08.0001
- [Aruba 8325-32-C](https://www.precursorintelligence.com/product/hpe/aruba_8325-32-c) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba 8325-48y8c](https://www.precursorintelligence.com/product/hpe/aruba_8325-48y8c) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba 8360-12c](https://www.precursorintelligence.com/product/hpe/aruba_8360-12c) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba 8360-16y2c](https://www.precursorintelligence.com/product/hpe/aruba_8360-16y2c) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba 8360-24xf2c](https://www.precursorintelligence.com/product/hpe/aruba_8360-24xf2c) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba 8360-32y4c](https://www.precursorintelligence.com/product/hpe/aruba_8360-32y4c) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba 8360-48xt4c](https://www.precursorintelligence.com/product/hpe/aruba_8360-48xt4c) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba 8400x](https://www.precursorintelligence.com/product/hpe/aruba_8400x) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba Cx 6200f](https://www.precursorintelligence.com/product/hpe/aruba_cx_6200f) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba Cx 6300f](https://www.precursorintelligence.com/product/hpe/aruba_cx_6300f) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba Cx 6300m](https://www.precursorintelligence.com/product/hpe/aruba_cx_6300m) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba Cx 6405](https://www.precursorintelligence.com/product/hpe/aruba_cx_6405) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Aruba Cx 6410](https://www.precursorintelligence.com/product/hpe/aruba_cx_6410) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified

## How do I fix CVE-2021-41000?

1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list.
2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list.
3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in.
4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood.

### References

- [arubanetworks.com](https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2022-004.txt) (Vendor advisory)

## Questions

### What is CVE-2021-41000?

CVE-2021-41000 is a high-severity flaw in Aruba 8320 from HPE, published on 2 March 2022. It can be attacked from anywhere on the internet with an ordinary user account, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline.

### How serious is CVE-2021-41000?

It scores 8.8 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2021-41000 is 49 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle.

### Is CVE-2021-41000 being exploited?

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 2.6%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2021-41000 affect?

For Aruba 8320 from HPE: version not specified. The record lists 15 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2021-41000?

Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

## Does CVE-2021-41000 affect you?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

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