# CVE-2023-41999: Arcserve UDP Management Authentication Bypass

> An unauthenticated remote attacker can bypass authentication to access the Arcserve UDP management console and perform privileged tasks.

- **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:** 27 Nov 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-5mpg-rwcj-r8cj

## What is CVE-2023-41999?

CVE-2023-41999 is a critical authentication bypass vulnerability in Arcserve UDP, published on 27 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An authentication bypass exists in Arcserve UDP prior to version 9.2. An unauthenticated, remote attacker can obtain a valid authentication identifier that allows them to authenticate to the management console and perform tasks that require authentication.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2023-41999?

It affects 1 product.


Products: Arcserve Udp.

## How do I fix CVE-2023-41999?

No fix has been published for CVE-2023-41999 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-41999 being exploited?

There is no known exploitation of CVE-2023-41999 in the wild and no public exploit code.

## Other vulnerabilities in Arcserve UDP

- [CVE-2015-4068](https://insights.sbomify.com/CVE-2015-4068/): Arcserve Unified Data Protection (UDP) Directory Traversal (critical 9.1, exploited in the wild)
- [CVE-2024-0799](https://insights.sbomify.com/CVE-2024-0799/): Authentication Bypass via wizardLogin in Arcserve Unified Data Protection (critical 9.8)
- [CVE-2023-41998](https://insights.sbomify.com/CVE-2023-41998/): Arcserve UDP Unauthenticated RCE (critical 9.8)
- [CVE-2023-42000](https://insights.sbomify.com/CVE-2023-42000/): Arcserve UDP Agent Unauthenticated Path Traversal File Upload (critical 9.8)
- [CVE-2023-26258](https://insights.sbomify.com/CVE-2023-26258/): Auth bypass in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-41999 and fix it if it is affected.

What it is: CVE-2023-41999 is a critical authentication bypass vulnerability in Arcserve UDP, published on 27 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-2023-41999 in the wild and no public exploit code.

Affected product: Arcserve UDP. 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-2023-41999/ (Markdown: https://insights.sbomify.com/CVE-2023-41999/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-41999
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-41999
- OSV: https://osv.dev/vulnerability/CVE-2023-41999

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-41999/
Summaries are generated and may contain mistakes; the official description above is the record.