# CVE-2023-39231: PingFederate PingOne MFA IK Device Pairing Second Factor Authentication Bypass

> Attackers with first-factor credentials can bypass second-factor authentication to pair new MFA devices, potentially taking over user accounts.

- **Severity:** High 7.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 24 Oct 2023
- **Updated:** 11 Sep 2024
- **Also known as:** GHSA-gqc6-p5c3-q963

## What is CVE-2023-39231?

CVE-2023-39231 is a high-severity authentication bypass vulnerability in PingOne MFA Integration Kit, published on 24 Oct 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

PingFederate using the PingOne MFA adapter allows a new MFA device to be paired without requiring second factor authentication from an existing registered device. A threat actor may be able to exploit this vulnerability to register their own MFA device if they have knowledge of a victim user's first factor credentials.

Weakness: CWE-306 (Missing Authentication for Critical Functionality), CWE-288 (Authentication Bypass Using an Alternate Path or Channel)

## Which versions are affected by CVE-2023-39231?

It affects 1 product.


Products: Pingidentity Pingone Mfa Integration Kit.

## How do I fix CVE-2023-39231?

No fix has been published for CVE-2023-39231 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-39231 being exploited?

There is no known exploitation of CVE-2023-39231 in the wild and no public exploit code.

## Other vulnerabilities in PingOne MFA Integration Kit

- [CVE-2022-23723](https://insights.sbomify.com/CVE-2022-23723/): PingFederate PingOneMFA Integration Kit MFA Bypass (high 7.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-39231 and fix it if it is affected.

What it is: CVE-2023-39231 is a high-severity authentication bypass vulnerability in PingOne MFA Integration Kit, published on 24 Oct 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-39231 in the wild and no public exploit code.

Affected product: PingOne MFA Integration Kit. 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-2023-39231/ (Markdown: https://insights.sbomify.com/CVE-2023-39231/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-39231
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-39231
- OSV: https://osv.dev/vulnerability/CVE-2023-39231

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-39231/
Summaries are generated and may contain mistakes; the official description above is the record.