# What is CVE-2021-29208? > CVE-2021-29208 is a medium-severity flaw (CVSS 4.8) in Integrated Lights-Out 4 from HP, published on 25 May 2021. 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 0.5%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2021-29208 ## 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:** 18 out of 100 (Info); action: Track. Kept up to date as the evidence changes. - **Severity:** Medium (CVSS 4.8 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:** 0.5% (latest exploit-likelihood forecast) - **Published:** 25 May 2021 - **Record last updated:** 25 April 2022 - **Main product:** Integrated Lights-Out 4 from HP - **Affected products:** 29 ## What is CVE-2021-29208? In plain terms It can be attacked from anywhere on the internet with an administrator account, but a person has to take an action first. If it works, the attacker can read some data and change some data. ### The official description A remote dom xss, crlf injection vulnerability was discovered in HPE Integrated Lights-Out 4 (iLO 4); HPE SimpliVity 380 Gen9; HPE Integrated Lights-Out 5 (iLO 5) for HPE Gen10 Servers; HPE SimpliVity 380 Gen10; HPE SimpliVity 2600; HPE SimpliVity 380 Gen10 G; HPE SimpliVity 325; HPE SimpliVity 380 Gen10 H version(s): Prior to version 2.78. ### What kind of flaw is it? - CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') - CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('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 administrator account - Does someone have to click: Yes, a person has to take an action - What an attacker gets: Can read some data and change some data Severity vector: `CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N` ## Is CVE-2021-29208 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 0.5%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 0.5%, 0.5%, 0.5%, 0.5%, 0.5%, 0.5%, 0.5%. ### Timeline - 25 May 2021: Published - 25 April 2022: Record last updated ### How Precursor Intelligence ranks it CVE-2021-29208 scores **18 out of 100 (Info)**, with the action "Track". 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-2021-29208? The published record lists 29 products. Versions are as published: "before 2.78" means every version up to, but not including, 2.78. - [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 2.78 - [Integrated Lights-Out 5](https://www.precursorintelligence.com/product/hp/integrated_lights-out_5) by [HP](https://www.precursorintelligence.com/vendors/hp) (Operating system): before 2.44 - [Proliant Bl460c Gen10 Server Blade](https://www.precursorintelligence.com/product/hp/proliant_bl460c_gen10_server_blade) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl120 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl120_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl160 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl160_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl180 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl180_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl20 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl20_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl325 Gen10 Plus Server](https://www.precursorintelligence.com/product/hp/proliant_dl325_gen10_plus_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl325 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl325_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl360 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl360_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl380 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl380_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl385 Gen10 Plus Server](https://www.precursorintelligence.com/product/hp/proliant_dl385_gen10_plus_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl385 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl385_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl560 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl560_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Dl580 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_dl580_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Ml110 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_ml110_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Ml30 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_ml30_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Ml350 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_ml350_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Xl170r Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_xl170r_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Xl190r Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_xl190r_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Xl230k Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_xl230k_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Xl270d Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_xl270d_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Proliant Xl450 Gen10 Server](https://www.precursorintelligence.com/product/hp/proliant_xl450_gen10_server) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Simplivity 2600](https://www.precursorintelligence.com/product/hp/simplivity_2600) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Simplivity 325](https://www.precursorintelligence.com/product/hp/simplivity_325) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Simplivity 380 Gen10](https://www.precursorintelligence.com/product/hp/simplivity_380_gen10) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Simplivity 380 Gen10 G](https://www.precursorintelligence.com/product/hp/simplivity_380_gen10_g) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Simplivity 380 Gen10 H](https://www.precursorintelligence.com/product/hp/simplivity_380_gen10_h) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified - [Simplivity 380 Gen9](https://www.precursorintelligence.com/product/hp/simplivity_380_gen9) by [HP](https://www.precursorintelligence.com/vendors/hp) (Hardware): version not specified ## How do I fix CVE-2021-29208? 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-hpesbhf04134en_us) (Vendor advisory) ## Questions ### What is CVE-2021-29208? CVE-2021-29208 is a medium-severity flaw in Integrated Lights-Out 4 from HP, published on 25 May 2021. It can be attacked from anywhere on the internet with an administrator account, but a person has to take an action first. If it works, the attacker can read some data and change some data. ### How serious is CVE-2021-29208? It scores 4.8 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2021-29208 is 18 out of 100, which is Info. Its action is "Track". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2021-29208 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 0.5%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2021-29208 affect? For Integrated Lights-Out 4 from HP: before 2.78. The record lists 29 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2021-29208? 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-2021-29208 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. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact