# CVE-2019-1820: Cisco Prime Infrastructure and Evolved Programmable Network Manager Path Traversal Vulnerability

> Authenticated attackers can exploit path traversal to view restricted application files containing sensitive information in Cisco Prime Infrastructure and EPN Manager.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 May 2019
- **Updated:** 21 Nov 2024
- **Also known as:** GHSA-qpr8-mvg6-w43w

## What is CVE-2019-1820?

CVE-2019-1820 is a medium-severity path traversal vulnerability in Cisco Evolved Programmable Network Manager, published on 16 May 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability in the web-based management interface of Cisco Prime Infrastructure and Cisco Evolved Programmable Network (EPN) Manager software could allow an authenticated, remote attacker to download and view files within the application that should be restricted. This vulnerability is due to improper sanitization of user-supplied input in HTTP request parameters that describe filenames. An attacker could exploit this vulnerability by using directory traversal techniques to submit a path to a desired file location. A successful exploit could allow the attacker to view application files that may contain sensitive information.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2019-1820?

It affects 2 products.


Products: Cisco Evolved Programmable Network Manager, Cisco Prime Infrastructure.

## How do I fix CVE-2019-1820?

No fix has been published for CVE-2019-1820 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-1820 being exploited?

There is no known exploitation of CVE-2019-1820 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Evolved Programmable Network Manager

- [CVE-2016-1289](https://insights.sbomify.com/CVE-2016-1289/): Code injection in n/a (critical 9.8)
- [CVE-2016-1291](https://insights.sbomify.com/CVE-2016-1291/): Deserialization in n/a (critical 9.8)
- [CVE-2021-1487](https://insights.sbomify.com/CVE-2021-1487/): Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Command Injection Vulnerability (high 8.8)
- [CVE-2019-1821](https://insights.sbomify.com/CVE-2019-1821/): Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution Vulnerabilities (high 8.8)
- [CVE-2019-1822](https://insights.sbomify.com/CVE-2019-1822/): Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution Vulnerabilities (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-1820 and fix it if it is affected.

What it is: CVE-2019-1820 is a medium-severity path traversal vulnerability in Cisco Evolved Programmable Network Manager, published on 16 May 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-1820 in the wild and no public exploit code.

Affected product: Cisco Evolved Programmable Network Manager. 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-2019-1820/ (Markdown: https://insights.sbomify.com/CVE-2019-1820/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-1820
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-1820
- OSV: https://osv.dev/vulnerability/CVE-2019-1820

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-1820/
Summaries are generated and may contain mistakes; the official description above is the record.