# CVE-2022-28987: Information disclosure in n/a

> Attackers can enumerate valid usernames via a crafted POST request, exposing user account information in Zoho ManageEngine ADSelfService Plus.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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:** 20 May 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-wf45-x487-v279

## What is CVE-2022-28987?

CVE-2022-28987 is a medium-severity vulnerability in Zohocorp Manageengine Adselfservice Plus, published on 20 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Zoho ManageEngine ADSelfService Plus before 6202 allows attackers to perform username enumeration via a crafted POST request to /ServletAPI/accounts/login.

## Which versions are affected by CVE-2022-28987?

It affects 1 product.


Products: Zohocorp Manageengine Adselfservice Plus.

## How do I fix CVE-2022-28987?

No fix has been published for CVE-2022-28987 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-28987 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-28987 exists.

Public exploit code:

- Zoho ManageEngine ADSelfService Plus 6121 - Username Enumeration (nuclei): http/cves/2022/CVE-2022-28987.yaml

## 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-2023-35854](https://insights.sbomify.com/CVE-2023-35854/): Auth bypass in n/a (critical 9.8)
- [CVE-2021-37422](https://insights.sbomify.com/CVE-2021-37422/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-28987 and fix it if it is affected.

What it is: CVE-2022-28987 is a medium-severity vulnerability in Zohocorp Manageengine Adselfservice Plus, published on 20 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-28987 exists.

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-2022-28987/ (Markdown: https://insights.sbomify.com/CVE-2022-28987/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-28987
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-28987
- OSV: https://osv.dev/vulnerability/CVE-2022-28987

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-28987/
Summaries are generated and may contain mistakes; the official description above is the record.