# CVE-2022-35490: Security feature bypass in n/a

> Attackers can bypass brute-force protection limits in Zammad, allowing excessive login attempts before account invalidation.

- **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:** 8 Aug 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-gw25-6r8w-p973

## What is CVE-2022-35490?

CVE-2022-35490 is a critical vulnerability in Zammad Zammad, published on 8 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Zammad 5.2.0 is vulnerable to privilege escalation. Zammad has a prevention against brute-force attacks trying to guess login credentials. After a configurable amount of attempts, users are invalidated and logins prevented. An attacker might work around this prevention, enabling them to send more than the configured amount of requests before the user invalidation takes place.

Weakness: CWE-307 (Improper Restriction of Excessive Authentication Attempts)

## Which versions are affected by CVE-2022-35490?

It affects 1 product.


Products: Zammad Zammad.

## How do I fix CVE-2022-35490?

No fix has been published for CVE-2022-35490 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-35490 being exploited?

There is no known exploitation of CVE-2022-35490 in the wild and no public exploit code.

## Other vulnerabilities in Zammad Zammad

- [CVE-2026-102489](https://insights.sbomify.com/CVE-2026-102489/): Zammad GmbH Zammad Session Fixation (high 8.7, exploited in the wild)
- [CVE-2026-102490](https://insights.sbomify.com/CVE-2026-102490/): Zammad GmbH Zammad Improper Privilege Management (high 8.5, exploited in the wild)
- [CVE-2022-48021](https://insights.sbomify.com/CVE-2022-48021/): Code injection in n/a (critical 9.8)
- [CVE-2021-42090](https://insights.sbomify.com/CVE-2021-42090/): Deserialization in n/a (critical 9.8)
- [CVE-2021-42094](https://insights.sbomify.com/CVE-2021-42094/): Command injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-35490 and fix it if it is affected.

What it is: CVE-2022-35490 is a critical vulnerability in Zammad Zammad, published on 8 Aug 2022. 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-2022-35490 in the wild and no public exploit code.

Affected product: Zammad Zammad. 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-2022-35490/ (Markdown: https://insights.sbomify.com/CVE-2022-35490/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-35490
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-35490
- OSV: https://osv.dev/vulnerability/CVE-2022-35490

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-35490/
Summaries are generated and may contain mistakes; the official description above is the record.