# CVE-2020-24491: Information disclosure in Intel(R) 10th Generation Core Processors supporting SGX

> A privileged local attacker can read memory transaction addresses from debug messages in Intel 10th Gen SGX processors, leading to information disclosure.

- **Severity:** Medium 4.4 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Feb 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-959j-89f4-f372

## What is CVE-2020-24491?

CVE-2020-24491 is a medium-severity vulnerability in Intel(R) 10th Generation Core Processors supporting SGX, published on 17 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Debug message containing addresses of memory transactions in some Intel(R) 10th Generation Core Processors supporting SGX may allow a privileged user to potentially enable information disclosure via local access.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2020-24491?

It affects 3 products.


Products: Intel Core I3, Intel Core I5, Intel Core I7.

## How do I fix CVE-2020-24491?

No fix has been published for CVE-2020-24491 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-24491 being exploited?

There is no known exploitation of CVE-2020-24491 in the wild and no public exploit code.

## Other vulnerabilities in Intel(R) 10th Generation Core Processors supporting SGX

- [CVE-2018-12169](https://insights.sbomify.com/CVE-2018-12169/): Auth bypass in n/a (high 7.6)
- [CVE-2018-3615](https://insights.sbomify.com/CVE-2018-3615/): Information disclosure in Multiple (high 7.3)
- [CVE-2017-5704](https://insights.sbomify.com/CVE-2017-5704/): Information disclosure in Intel Core Processor (medium 6.7)
- [CVE-2018-3620](https://insights.sbomify.com/CVE-2018-3620/): Information disclosure in Multiple (medium 5.6)
- [CVE-2018-3646](https://insights.sbomify.com/CVE-2018-3646/): Information disclosure in Multiple (medium 5.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-24491 and fix it if it is affected.

What it is: CVE-2020-24491 is a medium-severity vulnerability in Intel(R) 10th Generation Core Processors supporting SGX, published on 17 Feb 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-2020-24491 in the wild and no public exploit code.

Affected product: Intel(R) 10th Generation Core Processors supporting SGX. 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-2020-24491/ (Markdown: https://insights.sbomify.com/CVE-2020-24491/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-24491
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-24491
- OSV: https://osv.dev/vulnerability/CVE-2020-24491

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-24491/
Summaries are generated and may contain mistakes; the official description above is the record.