# CVE-2023-35854: Auth bypass in n/a

> Attackers can bypass authentication to steal domain controller session tokens, achieving administrator privileges in Zoho ManageEngine ADSelfService Plus.

- **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:** 20 Jun 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-vwhx-3qh6-75xf

## What is CVE-2023-35854?

CVE-2023-35854 is a critical authentication bypass vulnerability in Zohocorp Manageengine Adselfservice Plus, published on 20 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Zoho ManageEngine ADSelfService Plus through 6113 has an authentication bypass that can be exploited to steal the domain controller session token for identity spoofing, thereby achieving the privileges of the domain controller administrator. NOTE: the vendor's perspective is that they have "found no evidence or detail of a security vulnerability."

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2023-35854?

It affects 1 product.


Products: Zohocorp Manageengine Adselfservice Plus.

## How do I fix CVE-2023-35854?

No fix has been published for CVE-2023-35854 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-35854 being exploited?

There is no known exploitation of CVE-2023-35854 in the wild and no public exploit code.

Public exploit code:

- 针对CVE-2023-35854的批量扫描脚本 (github_poc): https://github.com/bluestarry33/exp

## Other vulnerabilities in Zohocorp Manageengine Adselfservice Plus

- [CVE-2021-40539](https://insights.sbomify.com/CVE-2021-40539/): Zoho ManageEngine ADSelfService Plus Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2022-28810](https://insights.sbomify.com/CVE-2022-28810/): Zoho ManageEngine ADSelfService Plus Remote Code Execution (medium 6.8, exploited in the wild)
- [CVE-2019-3905](https://insights.sbomify.com/CVE-2019-3905/): Server-side request forgery in n/a (critical 10.0)
- [CVE-2021-37422](https://insights.sbomify.com/CVE-2021-37422/): SQL injection in n/a (critical 9.8)
- [CVE-2021-37423](https://insights.sbomify.com/CVE-2021-37423/): Auth bypass in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-35854 and fix it if it is affected.

What it is: CVE-2023-35854 is a critical authentication bypass vulnerability in Zohocorp Manageengine Adselfservice Plus, published on 20 Jun 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-2023-35854 in the wild and no public exploit code.

Affected product: Zohocorp Manageengine Adselfservice Plus. 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-2023-35854/ (Markdown: https://insights.sbomify.com/CVE-2023-35854/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-35854
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-35854
- OSV: https://osv.dev/vulnerability/CVE-2023-35854

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-35854/
Summaries are generated and may contain mistakes; the official description above is the record.