# CVE-2020-3472: Cisco Webex Meetings User Email Address Information Disclosure Vulnerability

> An authenticated attacker can view sensitive user details, including email addresses, from other Webex sites due to improper access restrictions.

- **Severity:** Medium 5.0 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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 Aug 2020
- **Updated:** 13 Nov 2024
- **Also known as:** GHSA-m8qx-v3hf-6vmg

## What is CVE-2020-3472?

CVE-2020-3472 is a medium-severity vulnerability in Cisco Webex Meetings Online, published on 17 Aug 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability in the contacts feature of Cisco Webex Meetings could allow an authenticated, remote attacker with a legitimate user account to access sensitive information. The vulnerability is due to improper access restrictions on users who are added within user contacts. An attacker on one Webex Meetings site could exploit this vulnerability by sending specially crafted requests to the Webex Meetings site. A successful exploit could allow the attacker to view the details of users on another Webex site, including user names and email addresses.

Weakness: CWE-863 (Incorrect Authorization), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2020-3472?

It affects 1 product.


Products: Cisco Webex Meetings Online.

## How do I fix CVE-2020-3472?

No fix has been published for CVE-2020-3472 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-3472 being exploited?

There is no known exploitation of CVE-2020-3472 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Webex Meetings Online

- [CVE-2018-0287](https://insights.sbomify.com/CVE-2018-0287/): Code injection in Cisco WebEx Advanced Recording Format Player (high 8.8)
- [CVE-2019-1637](https://insights.sbomify.com/CVE-2019-1637/): Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities (high 7.8)
- [CVE-2019-1638](https://insights.sbomify.com/CVE-2019-1638/): Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities (high 7.8)
- [CVE-2019-1639](https://insights.sbomify.com/CVE-2019-1639/): Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities (high 7.8)
- [CVE-2019-1640](https://insights.sbomify.com/CVE-2019-1640/): Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-3472 and fix it if it is affected.

What it is: CVE-2020-3472 is a medium-severity vulnerability in Cisco Webex Meetings Online, published on 17 Aug 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-3472 in the wild and no public exploit code.

Affected product: Cisco Webex Meetings Online. 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-2020-3472/ (Markdown: https://insights.sbomify.com/CVE-2020-3472/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-3472
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-3472
- OSV: https://osv.dev/vulnerability/CVE-2020-3472

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-3472/
Summaries are generated and may contain mistakes; the official description above is the record.