# CVE-2020-3124: Cisco Hosted Collaboration Mediation Fulfillment Cross-Site Request Forgery Vulnerability

> An unauthenticated remote attacker can exploit insufficient CSRF protections in Cisco HCM-F to change a user's password and take unauthorized actions.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 23 Sep 2020
- **Updated:** 13 Nov 2024
- **Also known as:** GHSA-jxx2-55mc-35gm

## What is CVE-2020-3124?

CVE-2020-3124 is a medium-severity vulnerability in Cisco Hosted Collaboration Mediation Fulfillment, published on 23 Sep 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability in the web-based interface of Cisco Hosted Collaboration Mediation Fulfillment (HCM-F) could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. The vulnerability is due to insufficient CSRF protections by the affected software. An attacker could exploit this vulnerability by persuading a targeted user to click a malicious link. A successful exploit could allow the attacker to send arbitrary requests that could change the password of a targeted user. An attacker could then take unauthorized actions on behalf of the targeted user.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2020-3124?

It affects 1 product.


Products: Cisco Hosted Collaboration Mediation Fulfillment.

## How do I fix CVE-2020-3124?

No fix has been published for CVE-2020-3124 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-3124 being exploited?

There is no known exploitation of CVE-2020-3124 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Hosted Collaboration Mediation Fulfillment

- [CVE-2016-6371](https://insights.sbomify.com/CVE-2016-6371/): Path traversal in n/a (high 7.5)
- [CVE-2018-15401](https://insights.sbomify.com/CVE-2018-15401/): Cisco Hosted Collaboration Mediation Fulfillment Cross-Site Request Forgery Vulnerability (medium 6.5)
- [CVE-2016-6454](https://insights.sbomify.com/CVE-2016-6454/): Cross-site request forgery in Cisco Hosted Collaboration Mediation Fulfillment before 11.5(0.98000.216) (medium 6.5)
- [CVE-2021-1478](https://insights.sbomify.com/CVE-2021-1478/): Cisco Unified Communications Manager Denial of Service Vulnerability (medium 5.3)
- [CVE-2020-3256](https://insights.sbomify.com/CVE-2020-3256/): Cisco Hosted Collaboration Mediation Fulfillment XML External Expansion Vulnerability (medium 4.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-3124 and fix it if it is affected.

What it is: CVE-2020-3124 is a medium-severity vulnerability in Cisco Hosted Collaboration Mediation Fulfillment, published on 23 Sep 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-3124 in the wild and no public exploit code.

Affected product: Cisco Hosted Collaboration Mediation Fulfillment. 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-2020-3124/ (Markdown: https://insights.sbomify.com/CVE-2020-3124/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-3124
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-3124
- OSV: https://osv.dev/vulnerability/CVE-2020-3124

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-3124/
Summaries are generated and may contain mistakes; the official description above is the record.