# CVE-2020-16098: Information disclosure in Command Centre

> Unauthenticated attackers can enumerate access card credentials to clone low-security cards, bypassing physical access controls in Gallagher Command Centre.

- **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:** 15 Sep 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-r88h-whf8-g952

## What is CVE-2020-16098?

CVE-2020-16098 is a critical vulnerability in Gallagher Command Centre, published on 15 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

It is possible to enumerate access card credentials via an unauthenticated network connection to the server in versions of Command Centre v8.20 prior to v8.20.1166(MR3), versions of 8.10 prior to v8.10.1211(MR5), versions of 8.00 prior to v8.00.1228(MR6), all versions of 7.90 and earlier. These credentials can then be used to encode low security cards to be used by the system where insecure card technologies are supported.

Weakness: CWE-306 (Missing Authentication for Critical Functionality), CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2020-16098?

It affects 1 product.


Products: Gallagher Command Centre.

## How do I fix CVE-2020-16098?

No fix has been published for CVE-2020-16098 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-16098 being exploited?

There is no known exploitation of CVE-2020-16098 in the wild and no public exploit code.

## Other vulnerabilities in Gallagher Command Centre

- [CVE-2021-23140](https://insights.sbomify.com/CVE-2021-23140/): Missing authorization in Command Centre (critical 9.9)
- [CVE-2021-23230](https://insights.sbomify.com/CVE-2021-23230/): SQL injection in Command Centre (critical 9.9)
- [CVE-2020-16096](https://insights.sbomify.com/CVE-2020-16096/): Missing authorization in Command Centre (critical 9.9)
- [CVE-2019-15294](https://insights.sbomify.com/CVE-2019-15294/): Information disclosure in n/a (critical 9.8)
- [CVE-2024-21815](https://insights.sbomify.com/CVE-2024-21815/): Information disclosure in Command Centre Server (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-16098 and fix it if it is affected.

What it is: CVE-2020-16098 is a critical vulnerability in Gallagher Command Centre, published on 15 Sep 2020. 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-2020-16098 in the wild and no public exploit code.

Affected product: Gallagher Command Centre. 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-2020-16098/ (Markdown: https://insights.sbomify.com/CVE-2020-16098/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-16098
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-16098
- OSV: https://osv.dev/vulnerability/CVE-2020-16098

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-16098/
Summaries are generated and may contain mistakes; the official description above is the record.