# CVE-2023-1163: DrayTek Vigor 2960 Web Management Interface mainfunction.cgi getSyslogFile path traversal

> Remote attackers can exploit a path traversal flaw in the web management interface to read arbitrary files from the device.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Mar 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-f5vh-pgc9-ww94

## What is CVE-2023-1163?

CVE-2023-1163 is a medium-severity path traversal vulnerability in DrayTek Vigor 2960, published on 3 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability has been found in DrayTek Vigor 2960 1.5.1.4/1.5.1.5 and classified as critical. Affected by this vulnerability is the function getSyslogFile of the file mainfunction.cgi of the component Web Management Interface. The manipulation of the argument option leads to path traversal. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-222259. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2023-1163?

It affects 1 product.


Products: Draytek Vigor 2960 Firmware.

## How do I fix CVE-2023-1163?

No fix has been published for CVE-2023-1163 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1163 being exploited?

There is no known exploitation of CVE-2023-1163 in the wild and no public exploit code.

## Other vulnerabilities in DrayTek Vigor 2960

- [CVE-2023-1162](https://insights.sbomify.com/CVE-2023-1162/): DrayTek Vigor 2960 Web Management Interface mainfunction.cgi command injection (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1163 and fix it if it is affected.

What it is: CVE-2023-1163 is a medium-severity path traversal vulnerability in DrayTek Vigor 2960, published on 3 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-1163 in the wild and no public exploit code.

Affected product: DrayTek Vigor 2960. 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-2023-1163/ (Markdown: https://insights.sbomify.com/CVE-2023-1163/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1163
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1163
- OSV: https://osv.dev/vulnerability/CVE-2023-1163

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1163/
Summaries are generated and may contain mistakes; the official description above is the record.