# What is CVE-2022-23704?

> CVE-2022-23704 is a high-severity flaw (CVSS 7.5) in Integrated Lights-Out 4 from HP, published on 9 May 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 1.9%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2022-23704

## 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:** 46 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** High (CVSS 7.5 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:** 1.9% (latest exploit-likelihood forecast)
- **Published:** 9 May 2022
- **Record last updated:** 19 May 2022
- **Main product:** Integrated Lights-Out 4 from HP
- **Affected products:** 59

## What is CVE-2022-23704? In plain terms

It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can take it offline.

### The official description

A potential security vulnerability has been identified in Integrated Lights-Out 4 (iLO 4). The vulnerability could allow remote Denial of Service. The vulnerability is resolved in Integrated Lights-Out 4 (iLO 4) 2.80 and later.

### What kind of flaw is it?

- Unknown: Unknown

### 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: No login needed
- Does someone have to click: No, nobody has to do anything
- What an attacker gets: Can take it offline

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

## Is CVE-2022-23704 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 1.9%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 1.9%, 1.9%, 1.9%, 1.9%, 1.9%, 1.9%, 1.9%.

### Timeline

- 9 May 2022: Published
- 19 May 2022: Record last updated

### How Precursor Intelligence ranks it

CVE-2022-23704 scores **46 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-2022-23704?

The published record lists 59 products. Versions are as published: "before 2.80" means every version up to, but not including, 2.80.

- [Integrated Lights-Out 4](https://www.precursorintelligence.com/product/hp/integrated_lights-out_4) by [HP](https://www.precursorintelligence.com/vendors/hp) (Operating system): before 2.80
- [Apollo 4200 Gen9 Server](https://www.precursorintelligence.com/product/hpe/apollo_4200_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Bl420c Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_bl420c_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Bl460c Gen8 Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_bl460c_gen8_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Bl460c Gen9 Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_bl460c_gen9_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Bl465c Gen8 Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_bl465c_gen8_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Bl660c Gen8 Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_bl660c_gen8_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Bl660c Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_bl660c_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl120 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl120_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl160 Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl160_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl160 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl160_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl180 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl180_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl20 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl20_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl320e Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl320e_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl320e Gen8 V2 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl320e_gen8_v2_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl360 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl360_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl360e Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl360e_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl360p Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl360p_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl380 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl380_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl380e Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl380e_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl380p Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl380p_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl385p Gen8](https://www.precursorintelligence.com/product/hpe/proliant_dl385p_gen8) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl560 Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl560_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl560 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl560_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl580 Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl580_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl580 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl580_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl60 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl60_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl80 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl80_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ec200a Server](https://www.precursorintelligence.com/product/hpe/proliant_ec200a_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Microserver Gen8](https://www.precursorintelligence.com/product/hpe/proliant_microserver_gen8) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml110 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml110_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml150 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml150_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml30 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml30_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml310e Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml310e_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml310e Gen8 V2 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml310e_gen8_v2_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml350 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml350_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml350e Gen8 V2 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml350e_gen8_v2_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml350p Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml350p_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Sl210t Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_sl210t_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Sl230s Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_sl230s_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Sl250s Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_sl250s_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Sl270s Gen8 Se Server](https://www.precursorintelligence.com/product/hpe/proliant_sl270s_gen8_se_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Sl270s Gen8 Server](https://www.precursorintelligence.com/product/hpe/proliant_sl270s_gen8_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Sl4540 Gen8 1 Node Server](https://www.precursorintelligence.com/product/hpe/proliant_sl4540_gen8_1_node_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ws460c Gen8 Graphics Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_ws460c_gen8_graphics_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ws460c Gen9 Graphics Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_ws460c_gen9_graphics_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl170r Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl170r_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl190r Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl190r_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl220a Gen8 V2 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl220a_gen8_v2_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl230a Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl230a_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl250a Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl250a_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl450 Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl450_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl730f Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl730f_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl740f Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl740f_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl750f Gen9 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl750f_gen9_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Synergy 480 Gen9 Compute Module](https://www.precursorintelligence.com/product/hpe/synergy_480_gen9_compute_module) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Synergy 620 Gen9 Compute Module](https://www.precursorintelligence.com/product/hpe/synergy_620_gen9_compute_module) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Synergy 660 Gen9 Compute Module](https://www.precursorintelligence.com/product/hpe/synergy_660_gen9_compute_module) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Synergy 680 Gen9 Compute Module](https://www.precursorintelligence.com/product/hpe/synergy_680_gen9_compute_module) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified

## How do I fix CVE-2022-23704?

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

- [support.hpe.com](https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf04240en_us) (Vendor advisory)

## Questions

### What is CVE-2022-23704?

CVE-2022-23704 is a high-severity flaw in Integrated Lights-Out 4 from HP, published on 9 May 2022. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can take it offline.

### How serious is CVE-2022-23704?

It scores 7.5 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2022-23704 is 46 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-2022-23704 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 1.9%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2022-23704 affect?

For Integrated Lights-Out 4 from HP: before 2.80. The record lists 59 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2022-23704?

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-2022-23704 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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