# CVE-2022-45937: Information disclosure in APOGEE PXC Compact (BACnet)

> A low-privilege attacker can download sensitive user credentials from the integrated web server of Siemens building automation controllers.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C`)
- **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 Dec 2022
- **Updated:** 21 Apr 2025
- **Also known as:** GHSA-p69w-f9ww-g922

## What is CVE-2022-45937?

CVE-2022-45937 is a high-severity vulnerability in Siemens APOGEE PXC Compact (BACnet), published on 13 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been identified in APOGEE PXC Compact (BACnet) (All versions < V3.5.5), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.20), APOGEE PXC Modular (BACnet) (All versions < V3.5.5), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.20), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). A low privilege authenticated attacker with network access to the integrated web server could download sensitive information from the device containing user account credentials.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2022-45937?

It affects 9 products.


Products: Siemens Pxc00-E96.a Firmware, Siemens Pxc100-E96.a Firmware, Siemens Pxc16.2-Pe.a Firmware, Siemens Pxc24.2-Pe.a Firmware, Siemens Pxc24.2-Pef.a Firmware, Siemens Pxc24.2-Per.a Firmware, Siemens Pxc24.2-Perf.a Firmware, Siemens Pxx-485.3 Firmware, Siemens Talon Tc Modular \(Bacnet\) Firmware.

## How do I fix CVE-2022-45937?

No fix has been published for CVE-2022-45937 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-45937 being exploited?

There is no known exploitation of CVE-2022-45937 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-45937 and fix it if it is affected.

What it is: CVE-2022-45937 is a high-severity vulnerability in Siemens APOGEE PXC Compact (BACnet), published on 13 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-45937 in the wild and no public exploit code.

Affected product: Siemens APOGEE PXC Compact (BACnet). 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-2022-45937/ (Markdown: https://insights.sbomify.com/CVE-2022-45937/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-45937
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-45937
- OSV: https://osv.dev/vulnerability/CVE-2022-45937

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-45937/
Summaries are generated and may contain mistakes; the official description above is the record.