# CVE-2017-9314: Auth bypass in NVR50XX, VR52XX, VR54XX, VR58XX

> Attackers can bypass authentication on Dahua NVRs by forging JSON messages to gain unauthorized access to additional operations.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 13 Nov 2017
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-43r4-72q9-7mv7

## What is CVE-2017-9314?

CVE-2017-9314 is a high-severity authentication bypass vulnerability in Dahua Technologies NVR50XX, VR52XX, VR54XX, VR58XX, published on 13 Nov 2017. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Authentication vulnerability found in Dahua NVR models NVR50XX, NVR52XX, NVR54XX, NVR58XX with software before DH_NVR5xxx_Eng_P_V2.616.0000.0.R.20171102. Attacker could exploit this vulnerability to gain access to additional operations by means of forging json message.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2017-9314?

It affects 22 products.


Products: Dahuasecurity Nvr5208-4ks2 Firmware, Dahuasecurity Nvr5208-8p-4ks2 Firmware, Dahuasecurity Nvr5216-16p-4ks2 Firmware, Dahuasecurity Nvr5216-4ks2 Firmware, Dahuasecurity Nvr5216-8p-4ks2 Firmware, Dahuasecurity Nvr5224-24p-4ks2 Firmware, Dahuasecurity Nvr5232-16p-4ks2 Firmware, Dahuasecurity Nvr5232-4ks2 Firmware, Dahuasecurity Nvr5232-8p-4ks2 Firmware, Dahuasecurity Nvr5416-16p-4ks2 Firmware, Dahuasecurity Nvr5416-4ks2 Firmware, Dahuasecurity Nvr5424-24p-4ks2 Firmware, Dahuasecurity Nvr5432-16p-4ks2 Firmware, Dahuasecurity Nvr5432-4ks2 Firmware, Dahuasecurity Nvr5464-16p-4ks2 Firmware, Dahuasecurity Nvr5464-4ks2 Firmware, Dahuasecurity Nvr5816-16p-4ks2 Firmware, Dahuasecurity Nvr5816-4ks2 Firmware, Dahuasecurity Nvr5832-16p-4ks2 Firmware, Dahuasecurity Nvr5832-4ks2 Firmware and 2 more.

## How do I fix CVE-2017-9314?

No fix has been published for CVE-2017-9314 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-9314 being exploited?

There is no known exploitation of CVE-2017-9314 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-9314 and fix it if it is affected.

What it is: CVE-2017-9314 is a high-severity authentication bypass vulnerability in Dahua Technologies NVR50XX, VR52XX, VR54XX, VR58XX, published on 13 Nov 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-9314 in the wild and no public exploit code.

Affected product: Dahua Technologies NVR50XX, VR52XX, VR54XX, VR58XX. 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-2017-9314/ (Markdown: https://insights.sbomify.com/CVE-2017-9314/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-9314
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-9314
- OSV: https://osv.dev/vulnerability/CVE-2017-9314

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From sbomify Insights: https://insights.sbomify.com/CVE-2017-9314/
Summaries are generated and may contain mistakes; the official description above is the record.