# CVE-2018-0266: Information disclosure in Cisco Unified Communications Manager

> Authenticated attackers can view sensitive configuration parameters via the web interface due to insufficient database table protection.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/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:** 19 Apr 2018
- **Updated:** 29 Nov 2024
- **Also known as:** GHSA-q9h8-j8cr-j8q5

## What is CVE-2018-0266?

CVE-2018-0266 is a medium-severity vulnerability in Cisco Unified Communications Manager, published on 19 Apr 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability in the web framework of Cisco Unified Communications Manager could allow an authenticated, remote attacker to view sensitive data. The vulnerability is due to insufficient protection of database tables over the web interface. An attacker could exploit this vulnerability by browsing to a specific URL. An exploit could allow the attacker to view configuration parameters. Cisco Bug IDs: CSCvf20218.

Weakness: CWE-425 (Direct Request), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2018-0266?

It affects 1 product.


Products: Cisco Unified Communications Manager.

## How do I fix CVE-2018-0266?

No fix has been published for CVE-2018-0266 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-0266 being exploited?

There is no known exploitation of CVE-2018-0266 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Unified Communications Manager

- [CVE-2026-20230](https://insights.sbomify.com/CVE-2026-20230/): Cisco Unified Communications Manager Server-Side Request Forgery (SSRF) (high 8.6, exploited in the wild)
- [CVE-2026-20045](https://insights.sbomify.com/CVE-2026-20045/): Cisco Unified Communications Products Code Injection (high 8.2, exploited in the wild)
- [CVE-2025-20309](https://insights.sbomify.com/CVE-2025-20309/): Cisco Unified Communications Manager Static SSH Credentials Vulnerability (critical 10.0)
- [CVE-2011-1643](https://insights.sbomify.com/CVE-2011-1643/): Information disclosure in n/a (critical 10.0)
- [CVE-2024-20253](https://insights.sbomify.com/CVE-2024-20253/): Deserialization in Cisco Packaged Contact Center Enterprise (critical 9.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-0266 and fix it if it is affected.

What it is: CVE-2018-0266 is a medium-severity vulnerability in Cisco Unified Communications Manager, published on 19 Apr 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-0266 in the wild and no public exploit code.

Affected product: Cisco Unified Communications Manager. 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-2018-0266/ (Markdown: https://insights.sbomify.com/CVE-2018-0266/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-0266
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-0266
- OSV: https://osv.dev/vulnerability/CVE-2018-0266

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-0266/
Summaries are generated and may contain mistakes; the official description above is the record.