# CVE-2015-8991: Other in McAfee Security Scan+ (MSS+)

> Attackers can execute malicious code during installation or uninstallation of McAfee Security Scan+ by leveraging preexisting crafted malware.

- **Severity:** High 7.0 (`CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Mar 2017
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-7rpp-75px-g4h2

## What is CVE-2015-8991?

CVE-2015-8991 is a high-severity vulnerability in Intel McAfee Security Scan+ (MSS+), published on 14 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Malicious file execution vulnerability in Intel Security McAfee Security Scan+ (MSS+) before 3.11.266.3 allows attackers to make the product momentarily vulnerable via executing preexisting specifically crafted malware during installation or uninstallation, but not during normal operation.

Weakness: CWE-264

## Which versions are affected by CVE-2015-8991?

It affects 3 products.


Products: Mcafee Cloud Av, Mcafee Security Scan Plus, Mcafee Security Webadvisor.

## How do I fix CVE-2015-8991?

No fix has been published for CVE-2015-8991 yet. Limit exposure of the affected software until one is available.

## Is CVE-2015-8991 being exploited?

There is no known exploitation of CVE-2015-8991 in the wild and no public exploit code.

## Other vulnerabilities in Intel McAfee Security Scan+ (MSS+)

- [CVE-2015-8992](https://insights.sbomify.com/CVE-2015-8992/): Code injection in WebAdvisor (high 7.0)
- [CVE-2015-8993](https://insights.sbomify.com/CVE-2015-8993/): Code injection in CloudAV (Beta) (high 7.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-8991 and fix it if it is affected.

What it is: CVE-2015-8991 is a high-severity vulnerability in Intel McAfee Security Scan+ (MSS+), published on 14 Mar 2017. 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-2015-8991 in the wild and no public exploit code.

Affected product: Intel McAfee Security Scan+ (MSS+). 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-2015-8991/ (Markdown: https://insights.sbomify.com/CVE-2015-8991/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-8991
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-8991
- OSV: https://osv.dev/vulnerability/CVE-2015-8991

---
From sbomify Insights: https://insights.sbomify.com/CVE-2015-8991/
Summaries are generated and may contain mistakes; the official description above is the record.