# CVE-2023-39335: Auth bypass in EPMM

> Unauthenticated attackers can impersonate users during device enrollment, leading to unauthorized account access and privilege escalation in Ivanti EPMM.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Nov 2023
- **Updated:** 29 Aug 2024
- **Also known as:** GHSA-mm7r-fp9h-8vxr

## What is CVE-2023-39335?

CVE-2023-39335 is a critical authentication bypass vulnerability in Ivanti EPMM, published on 14 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A security vulnerability has been identified in EPMM Versions 11.10, 11.9 and 11.8 and older allowing an unauthenticated threat actor to impersonate any existing user during the device enrollment process. This issue poses a significant security risk, as it enables unauthorized access and potential misuse of user accounts and resources.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2023-39335?

It affects 1 product.


Products: Ivanti Endpoint Manager Mobile.

## How do I fix CVE-2023-39335?

No fix has been published for CVE-2023-39335 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-39335 being exploited?

There is no known exploitation of CVE-2023-39335 in the wild and no public exploit code.

## Other vulnerabilities in Ivanti EPMM

- [CVE-2023-35082](https://insights.sbomify.com/CVE-2023-35082/): Ivanti Endpoint Manager Mobile (EPMM) and MobileIron Core Authentication Bypass (critical 10.0, exploited in the wild)
- [CVE-2023-35078](https://insights.sbomify.com/CVE-2023-35078/): Ivanti Endpoint Manager Mobile Authentication Bypass (critical 10.0, exploited in the wild)
- [CVE-2026-1281](https://insights.sbomify.com/CVE-2026-1281/): Ivanti Endpoint Manager Mobile (EPMM) Code Injection (critical 9.8, exploited in the wild)
- [CVE-2026-1340](https://insights.sbomify.com/CVE-2026-1340/): Ivanti Endpoint Manager Mobile (EPMM) Code Injection (critical 9.8, exploited in the wild)
- [CVE-2026-6973](https://insights.sbomify.com/CVE-2026-6973/): Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation (high 7.2, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-39335 and fix it if it is affected.

What it is: CVE-2023-39335 is a critical authentication bypass vulnerability in Ivanti EPMM, published on 14 Nov 2023. 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-2023-39335 in the wild and no public exploit code.

Affected product: Ivanti EPMM. 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-2023-39335/ (Markdown: https://insights.sbomify.com/CVE-2023-39335/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-39335
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-39335
- OSV: https://osv.dev/vulnerability/CVE-2023-39335

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-39335/
Summaries are generated and may contain mistakes; the official description above is the record.