# CVE-2016-9157: Denial of service in Siemens SICAM PAS through V8.08

> Remote attackers can cause denial of service or execute code via crafted packets to port 19234 in Siemens SICAM PAS.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:** 5 Dec 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-m29m-r759-256j

## What is CVE-2016-9157?

CVE-2016-9157 is a critical denial of service vulnerability in Siemens SICAM PAS through V8.08, published on 5 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability in Siemens SICAM PAS (all versions before V8.09) could allow a remote attacker to cause a Denial of Service condition and potentially lead to unauthenticated remote code execution by sending specially crafted packets to port 19234/TCP.

Weakness: CWE-284 (Improper Access Control), CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2016-9157?

It affects 1 product.


Products: Siemens Sicam Pas\/Pqs.

## How do I fix CVE-2016-9157?

No fix has been published for CVE-2016-9157 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-9157 being exploited?

There is no known exploitation of CVE-2016-9157 in the wild and no public exploit code.

## Other vulnerabilities in Siemens SICAM PAS through V8.08

- [CVE-2022-43724](https://insights.sbomify.com/CVE-2022-43724/): Hardcoded credentials in SICAM PAS/PQS (critical 9.8)
- [CVE-2016-8567](https://insights.sbomify.com/CVE-2016-8567/): Hardcoded credentials in Siemens SICAM PAS before 8.00 (critical 9.8)
- [CVE-2023-45205](https://insights.sbomify.com/CVE-2023-45205/): Privilege escalation in SICAM PAS/PQS (high 7.8)
- [CVE-2022-43722](https://insights.sbomify.com/CVE-2022-43722/): Code injection in SICAM PAS/PQS (high 7.8)
- [CVE-2016-8566](https://insights.sbomify.com/CVE-2016-8566/): Hardcoded credentials in Siemens SICAM PAS before 8.00 (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-9157 and fix it if it is affected.

What it is: CVE-2016-9157 is a critical denial of service vulnerability in Siemens SICAM PAS through V8.08, published on 5 Dec 2016. 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-2016-9157 in the wild and no public exploit code.

Affected product: Siemens SICAM PAS through V8.08. 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-2016-9157/ (Markdown: https://insights.sbomify.com/CVE-2016-9157/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-9157
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-9157
- OSV: https://osv.dev/vulnerability/CVE-2016-9157

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From sbomify Insights: https://insights.sbomify.com/CVE-2016-9157/
Summaries are generated and may contain mistakes; the official description above is the record.