# CVE-2021-43553: OSIsoft PI Vision

> An attacker with insufficient privileges can read sensitive AF attribute data in OSIsoft PI Vision due to missing authorization checks.

- **Severity:** Low 3.1 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/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:** 17 Nov 2021
- **Updated:** 16 Sep 2024
- **Also known as:** CVE-2021-3090, GHSA-8wpr-rjqh-x3mh

## What is CVE-2021-43553?

CVE-2021-43553 is a low-severity missing authorization vulnerability in OSIsoft PI Vision, published on 17 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

PI Vision could disclose information to a user with insufficient privileges for an AF attribute that is the child of another attribute and is configured as a Limits property.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2021-43553?

It affects 1 product.


Products: Osisoft Pi Vision.

## How do I fix CVE-2021-43553?

No fix has been published for CVE-2021-43553 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-43553 being exploited?

There is no known exploitation of CVE-2021-43553 in the wild and no public exploit code.

## Other vulnerabilities in OSIsoft PI Vision

- [CVE-2018-7500](https://insights.sbomify.com/CVE-2018-7500/): Privilege escalation in OSIsoft PI Web API (critical 9.8)
- [CVE-2019-18271](https://insights.sbomify.com/CVE-2019-18271/): Cross-site request forgery in OSIsoft PI Vision (high 8.8)
- [CVE-2020-25163](https://insights.sbomify.com/CVE-2020-25163/): OSIsoft PI Vision Cross-site Scripting (high 7.7)
- [CVE-2021-43551](https://insights.sbomify.com/CVE-2021-43551/): OSIsoft PI Vision (medium 6.5)
- [CVE-2020-10643](https://insights.sbomify.com/CVE-2020-10643/): OSIsoft PI System (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-43553 and fix it if it is affected.

What it is: CVE-2021-43553 is a low-severity missing authorization vulnerability in OSIsoft PI Vision, published on 17 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-43553 in the wild and no public exploit code.

Affected product: OSIsoft PI Vision. 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-2021-43553/ (Markdown: https://insights.sbomify.com/CVE-2021-43553/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-43553
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-43553
- OSV: https://osv.dev/vulnerability/CVE-2021-43553

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-43553/
Summaries are generated and may contain mistakes; the official description above is the record.