# CVE-2017-7934: Auth bypass in OSIsoft PI Server 2017

> A flaw in OSIsoft PI Network Manager allows malicious users to authenticate and cause undefined behavior, impacting industrial control system security.

- **Severity:** Medium 5.9 (`CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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:** 25 Aug 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-xhfj-8j4v-xmjj

## What is CVE-2017-7934?

CVE-2017-7934 is a medium-severity authentication bypass vulnerability in OSIsoft PI Server 2017, published on 25 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Network Manager using older protocol versions contains a flaw that could allow a malicious user to authenticate with a server and then cause PI Network Manager to behave in an undefined manner.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2017-7934?

It affects 1 product.


Products: Osisoft Pi Data Archive.

## How do I fix CVE-2017-7934?

No fix has been published for CVE-2017-7934 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-7934 being exploited?

There is no known exploitation of CVE-2017-7934 in the wild and no public exploit code.

## Other vulnerabilities in OSIsoft PI Server 2017

- [CVE-2018-7533](https://insights.sbomify.com/CVE-2018-7533/): Misconfiguration in OSIsoft PI Data Archive (high 7.8)
- [CVE-2020-10604](https://insights.sbomify.com/CVE-2020-10604/): Denial of service in OSIsoft PI System multiple products and versions (high 7.5)
- [CVE-2018-7529](https://insights.sbomify.com/CVE-2018-7529/): Deserialization in OSIsoft PI Data Archive (high 7.5)
- [CVE-2017-7930](https://insights.sbomify.com/CVE-2017-7930/): Auth bypass in OSIsoft PI Server 2017 (high 7.4)
- [CVE-2020-10600](https://insights.sbomify.com/CVE-2020-10600/): OSIsoft PI System (medium 5.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-7934 and fix it if it is affected.

What it is: CVE-2017-7934 is a medium-severity authentication bypass vulnerability in OSIsoft PI Server 2017, published on 25 Aug 2017. 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-2017-7934 in the wild and no public exploit code.

Affected product: OSIsoft PI Server 2017. 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-2017-7934/ (Markdown: https://insights.sbomify.com/CVE-2017-7934/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-7934
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-7934
- OSV: https://osv.dev/vulnerability/CVE-2017-7934

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From sbomify Insights: https://insights.sbomify.com/CVE-2017-7934/
Summaries are generated and may contain mistakes; the official description above is the record.