# CVE-2019-17421: Privilege escalation in n/a

> Local attackers can elevate privileges to root by overwriting the Nipper executable due to incorrect file permissions in ManageEngine OpManager and Firewall Analyzer.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/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:** 21 Nov 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-xcv5-pjw7-mgp9

## What is CVE-2019-17421?

CVE-2019-17421 is a high-severity vulnerability in Zohocorp Manageengine Opmanager, published on 21 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Incorrect file permissions on the packaged Nipper executable file in Zoho ManageEngine OpManager 12.4.072 and Firewall Analyzer 12.4.072 allow local users to elevate privileges to root by overwriting this file with a malicious payload.

Weakness: CWE-276 (Incorrect Default Permissions)

## Which versions are affected by CVE-2019-17421?

It affects 2 products.


Products: Zohocorp Manageengine Firewall Analyzer, Zohocorp Manageengine Opmanager.

## How do I fix CVE-2019-17421?

No fix has been published for CVE-2019-17421 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-17421 being exploited?

There is no known exploitation of CVE-2019-17421 in the wild and no public exploit code.

## Other vulnerabilities in Zohocorp Manageengine Opmanager

- [CVE-2019-11677](https://insights.sbomify.com/CVE-2019-11677/): XML external entity in n/a (critical 9.8)
- [CVE-2019-11678](https://insights.sbomify.com/CVE-2019-11678/): SQL injection in n/a (critical 9.8)
- [CVE-2023-47211](https://insights.sbomify.com/CVE-2023-47211/): Path traversal in OpManager (critical 9.1)
- [CVE-2022-37024](https://insights.sbomify.com/CVE-2022-37024/): Code injection in n/a (high 8.8)
- [CVE-2017-14123](https://insights.sbomify.com/CVE-2017-14123/): File upload in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-17421 and fix it if it is affected.

What it is: CVE-2019-17421 is a high-severity vulnerability in Zohocorp Manageengine Opmanager, published on 21 Nov 2019. 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-2019-17421 in the wild and no public exploit code.

Affected product: Zohocorp Manageengine Opmanager. 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-2019-17421/ (Markdown: https://insights.sbomify.com/CVE-2019-17421/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-17421
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-17421
- OSV: https://osv.dev/vulnerability/CVE-2019-17421

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-17421/
Summaries are generated and may contain mistakes; the official description above is the record.