# CVE-2019-1659: Cisco Prime Infrastructure Certificate Validation Vulnerability

> An attacker can intercept and modify network client data via a man-in-the-middle attack due to improper SSL certificate validation in Cisco Prime Infrastructure.

- **Severity:** High 7.4 (`CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Feb 2019
- **Updated:** 20 Nov 2024
- **Also known as:** GHSA-5vxf-pm6w-9vfm

## What is CVE-2019-1659?

CVE-2019-1659 is a high-severity vulnerability in Cisco Prime Infrastructure, published on 21 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability in the Identity Services Engine (ISE) integration feature of Cisco Prime Infrastructure (PI) could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack against the Secure Sockets Layer (SSL) tunnel established between ISE and PI. The vulnerability is due to improper validation of the server SSL certificate when establishing the SSL tunnel with ISE. An attacker could exploit this vulnerability by using a crafted SSL certificate and could then intercept communications between the ISE and PI. A successful exploit could allow the attacker to view and alter potentially sensitive information that the ISE maintains about clients that are connected to the network. This vulnerability affects Cisco Prime Infrastructure Software Releases 2.2 through 3.4.0 when the PI server is integrated with ISE, which is disabled by default.

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2019-1659?

It affects 1 product.


Products: Cisco Prime Infrastructure.

## How do I fix CVE-2019-1659?

No fix has been published for CVE-2019-1659 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-1659 being exploited?

There is no known exploitation of CVE-2019-1659 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Prime Infrastructure

- [CVE-2018-15379](https://insights.sbomify.com/CVE-2018-15379/): Cisco Prime Infrastructure Arbitrary File Upload and Command Execution Vulnerability (critical 9.8)
- [CVE-2014-0679](https://insights.sbomify.com/CVE-2014-0679/): Command injection in n/a (critical 9.0)
- [CVE-2016-1442](https://insights.sbomify.com/CVE-2016-1442/): Command injection in n/a (high 8.8)
- [CVE-2016-1359](https://insights.sbomify.com/CVE-2016-1359/): Code injection in n/a (high 8.8)
- [CVE-2015-6262](https://insights.sbomify.com/CVE-2015-6262/): Cross-site request forgery in n/a (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-1659 and fix it if it is affected.

What it is: CVE-2019-1659 is a high-severity vulnerability in Cisco Prime Infrastructure, published on 21 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-1659 in the wild and no public exploit code.

Affected product: Cisco Prime Infrastructure. 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-2019-1659/ (Markdown: https://insights.sbomify.com/CVE-2019-1659/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-1659
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-1659
- OSV: https://osv.dev/vulnerability/CVE-2019-1659

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-1659/
Summaries are generated and may contain mistakes; the official description above is the record.