# CVE-2023-6893: Hikvision Intercom Broadcasting System exportrecord.php path traversal

> Attackers can exploit a path traversal vulnerability in the exportrecord.php file to read arbitrary files from the system.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:A/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:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-pr55-vvc6-cqfh

## What is CVE-2023-6893?

CVE-2023-6893 is a medium-severity path traversal vulnerability in Hikvision Intercom Broadcasting System, published on 17 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in Hikvision Intercom Broadcasting System 3.0.3_20201113_RELEASE(HIK) and classified as problematic. Affected by this issue is some unknown functionality of the file /php/exportrecord.php. The manipulation of the argument downname with the input C:\ICPAS\Wnmp\WWW\php\conversion.php leads to path traversal. The exploit has been disclosed to the public and may be used. Upgrading to version 4.1.0 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-248252.

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

## Which versions are affected by CVE-2023-6893?

It affects 1 product.


Products: Hikvision Intercom Broadcast System.

## How do I fix CVE-2023-6893?

No fix has been published for CVE-2023-6893 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6893 being exploited?

There is no known exploitation of CVE-2023-6893 in the wild and no public exploit code.

## Other vulnerabilities in Hikvision Intercom Broadcasting System

- [CVE-2023-6895](https://insights.sbomify.com/CVE-2023-6895/): Hikvision Intercom Broadcasting System ping.php os command injection (medium 6.3)
- [CVE-2023-6894](https://insights.sbomify.com/CVE-2023-6894/): Hikvision Intercom Broadcasting System Log File system.html information disclosure (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6893 and fix it if it is affected.

What it is: CVE-2023-6893 is a medium-severity path traversal vulnerability in Hikvision Intercom Broadcasting System, published on 17 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-6893 in the wild and no public exploit code.

Affected product: Hikvision Intercom Broadcasting System. 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-2023-6893/ (Markdown: https://insights.sbomify.com/CVE-2023-6893/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6893
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6893
- OSV: https://osv.dev/vulnerability/CVE-2023-6893

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6893/
Summaries are generated and may contain mistakes; the official description above is the record.