# What is CVE-2022-28638?

> CVE-2022-28638 is a high-severity flaw (CVSS 7.8) in Integrated Lights-Out 5 from HPE, published on 20 September 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 0.3%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2022-28638

## 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:** 45 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** High (CVSS 7.8 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:** 0.3% (latest exploit-likelihood forecast)
- **Published:** 20 September 2022
- **Record last updated:** 29 May 2025
- **Main product:** Integrated Lights-Out 5 from HPE
- **Affected products:** 77

## What is CVE-2022-28638? In plain terms

An attacker has to be already on the device 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

An isolated local disclosure of information and potential isolated local arbitrary code execution vulnerability that could potentially lead to a loss of confidentiality, integrity, and availability were discovered in HPE Integrated Lights-Out 5 (iLO 5) in Version: 2.71. Hewlett Packard Enterprise has provided updated firmware for HPE Integrated Lights-Out 5 (iLO 5) that addresses these security vulnerabilities.

### What kind of flaw is it?

- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

### How an attack on it works

- Where an attacker can be: Already on the device
- 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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

## Is CVE-2022-28638 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 0.3%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%.

### Timeline

- 20 September 2022: Published
- 29 May 2025: Record last updated

### How Precursor Intelligence ranks it

CVE-2022-28638 scores **45 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-2022-28638?

The published record lists 77 products. Versions are as published: "before 2.72" means every version up to, but not including, 2.72.

- [Integrated Lights-Out 5](https://www.precursorintelligence.com/product/hpe/integrated_lights-out_5) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Apollo 2000 Gen10 Plus System](https://www.precursorintelligence.com/product/hpe/apollo_2000_gen10_plus_system) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Apollo 4200 Gen10 Plus System](https://www.precursorintelligence.com/product/hpe/apollo_4200_gen10_plus_system) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Apollo 4200 Gen10 Server](https://www.precursorintelligence.com/product/hp/apollo_4200_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified
- [Apollo 4500](https://www.precursorintelligence.com/product/hp/apollo_4500) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified
- [Apollo 4510 Gen10 System](https://www.precursorintelligence.com/product/hpe/apollo_4510_gen10_system) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Apollo 6500 Gen10 Plus](https://www.precursorintelligence.com/product/hpe/apollo_6500_gen10_plus) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Apollo N2600 Gen10 Plus](https://www.precursorintelligence.com/product/hpe/apollo_n2600_gen10_plus) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Apollo N2800 Gen10 Plus](https://www.precursorintelligence.com/product/hpe/apollo_n2800_gen10_plus) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Apollo R2000 Chassis](https://www.precursorintelligence.com/product/hp/apollo_r2000_chassis) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified
- [Apollo R2600 Gen10](https://www.precursorintelligence.com/product/hpe/apollo_r2600_gen10) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Apollo R2800 Gen10](https://www.precursorintelligence.com/product/hpe/apollo_r2800_gen10) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Edgeline E920 Server Blade](https://www.precursorintelligence.com/product/hpe/edgeline_e920_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Edgeline E920d Server Blade](https://www.precursorintelligence.com/product/hpe/edgeline_e920d_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Edgeline E920t Server Blade](https://www.precursorintelligence.com/product/hpe/edgeline_e920t_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Integrated Lights-Out 5 Firmware](https://www.precursorintelligence.com/product/hpe/integrated_lights-out_5_firmware) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Operating system): before 2.72
- [Proliant Bl460c Gen10 Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_bl460c_gen10_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl110 Gen10 Plus Telco Server](https://www.precursorintelligence.com/product/hpe/proliant_dl110_gen10_plus_telco_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl160 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl160_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl180 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl180_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl20 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dl20_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl20 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl20_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl325 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dl325_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl325 Gen10 Plus V2 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl325_gen10_plus_v2_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl325 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl325_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl345 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dl345_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl360 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dl360_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl360 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl360_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl365 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dl365_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl380 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dl380_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl380 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl380_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl385 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dl385_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl385 Gen10 Plus V2 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl385_gen10_plus_v2_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl385 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl385_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl560 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl560_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dl580 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dl580_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx170r Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dx170r_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx190r Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dx190r_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx220n Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dx220n_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx325 Gen10 Plus V2 Server](https://www.precursorintelligence.com/product/hpe/proliant_dx325_gen10_plus_v2_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx360 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dx360_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx360 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dx360_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx380 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dx380_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx380 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dx380_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx385 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_dx385_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx385 Gen10 Plus V2 Server](https://www.precursorintelligence.com/product/hpe/proliant_dx385_gen10_plus_v2_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx4200 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dx4200_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Dx560 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_dx560_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant E910 Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_e910_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant E910t Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_e910t_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant M750 Server Blade](https://www.precursorintelligence.com/product/hpe/proliant_m750_server_blade) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Microserver Gen10 Plus](https://www.precursorintelligence.com/product/hpe/proliant_microserver_gen10_plus) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml110 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml110_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml30 Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_ml30_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml30 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml30_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Ml350 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_ml350_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl170r Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl170r_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl190r Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl190r_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl220n Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_xl220n_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl225n Gen10 Plus 1u Node](https://www.precursorintelligence.com/product/hpe/proliant_xl225n_gen10_plus_1u_node) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl230k Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl230k_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl270d Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl270d_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl290n Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_xl290n_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl420 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl420_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl450 Gen10 Server](https://www.precursorintelligence.com/product/hpe/proliant_xl450_gen10_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl645d Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_xl645d_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl675d Gen10 Plus Server](https://www.precursorintelligence.com/product/hpe/proliant_xl675d_gen10_plus_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Proliant Xl925g Gen10 Plus 1u 4-Node Configure-to-Order Server](https://www.precursorintelligence.com/product/hpe/proliant_xl925g_gen10_plus_1u_4-node_configure-to-order_server) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Storage File Controller](https://www.precursorintelligence.com/product/hpe/storage_file_controller) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Storage Performance File Controller](https://www.precursorintelligence.com/product/hpe/storage_performance_file_controller) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Storeeasy 1460 Storage](https://www.precursorintelligence.com/product/hpe/storeeasy_1460_storage) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Storeeasy 1560 Storage](https://www.precursorintelligence.com/product/hpe/storeeasy_1560_storage) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Storeeasy 1660 Expanded Storage](https://www.precursorintelligence.com/product/hpe/storeeasy_1660_expanded_storage) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Storeeasy 1660 Performance Storage](https://www.precursorintelligence.com/product/hpe/storeeasy_1660_performance_storage) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Storeeasy 1660 Storage](https://www.precursorintelligence.com/product/hpe/storeeasy_1660_storage) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Storeeasy 1860 Performance Storage](https://www.precursorintelligence.com/product/hpe/storeeasy_1860_performance_storage) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified
- [Storeeasy 1860 Storage](https://www.precursorintelligence.com/product/hpe/storeeasy_1860_storage) by [HPE](https://www.precursorintelligence.com/vendors/hpe) (Hardware): version not specified

## How do I fix CVE-2022-28638?

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-hpesbhf04365en_us) (Vendor advisory)

## Questions

### What is CVE-2022-28638?

CVE-2022-28638 is a high-severity flaw in Integrated Lights-Out 5 from HPE, published on 20 September 2022. An attacker has to be already on the device 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-2022-28638?

It scores 7.8 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2022-28638 is 45 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-2022-28638 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 0.3%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2022-28638 affect?

For Integrated Lights-Out 5 from HPE: version not specified. The record lists 77 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2022-28638?

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-2022-28638 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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