# CVE-2021-0070: Privilege escalation in Intel(R) Server Board M10JNP2SB

> Unauthenticated attackers with adjacent access can escalate privileges due to improper input validation in Intel Server Board BMC firmware.

- **Severity:** High 8.8 (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Jun 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-hfq8-78jw-m3g4

## What is CVE-2021-0070?

CVE-2021-0070 is a high-severity vulnerability in Intel(R) Server Board M10JNP2SB, published on 9 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Improper input validation in the BMC firmware for Intel(R) Server Board M10JNP2SB before version EFI BIOS 7215, BMC 8100.01.08 may allow an unauthenticated user to potentially enable an escalation of privilege via adjacent access.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2021-0070?

It affects 1 product.


Products: Intel Efi Bios 7215.

## How do I fix CVE-2021-0070?

No fix has been published for CVE-2021-0070 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-0070 being exploited?

There is no known exploitation of CVE-2021-0070 in the wild and no public exploit code.

## Other vulnerabilities in Intel(R) Server Board M10JNP2SB

- [CVE-2021-0101](https://insights.sbomify.com/CVE-2021-0101/): Memory corruption in Intel(R) Server BoardM10JNP2SB (high 8.8)
- [CVE-2021-0097](https://insights.sbomify.com/CVE-2021-0097/): Path traversal in Intel(R) Server Board M10JNP2SB (medium 6.5)
- [CVE-2021-0113](https://insights.sbomify.com/CVE-2021-0113/): Memory corruption in Intel(R) Server Board M10JNP2SB (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-0070 and fix it if it is affected.

What it is: CVE-2021-0070 is a high-severity vulnerability in Intel(R) Server Board M10JNP2SB, published on 9 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-0070 in the wild and no public exploit code.

Affected product: Intel(R) Server Board M10JNP2SB. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-0070/ (Markdown: https://insights.sbomify.com/CVE-2021-0070/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-0070
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-0070
- OSV: https://osv.dev/vulnerability/CVE-2021-0070

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-0070/
Summaries are generated and may contain mistakes; the official description above is the record.