# CVE-2019-12645: Cisco Jabber Client Framework for Mac Code Execution Vulnerability

> Local authenticated attackers can execute arbitrary code or modify configuration files due to improper file permissions in Cisco Jabber for Mac.

- **Severity:** Medium 6.7 (`CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 5 Sep 2019
- **Updated:** 20 Nov 2024
- **Also known as:** GHSA-5m68-8fj2-cw42

## What is CVE-2019-12645?

CVE-2019-12645 is a medium-severity vulnerability in Cisco Jabber for Mac, published on 5 Sep 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

A vulnerability in Cisco Jabber Client Framework (JCF) for Mac Software, installed as part of the Cisco Jabber for Mac client, could allow an authenticated, local attacker to execute arbitrary code on an affected device The vulnerability is due to improper file level permissions on an affected device when it is running Cisco JCF for Mac Software. An attacker could exploit this vulnerability by authenticating to the affected device and executing arbitrary code or potentially modifying certain configuration files. A successful exploit could allow the attacker to execute arbitrary code or modify certain configuration files on the device using the privileges of the installed Cisco JCF for Mac Software.

Weakness: CWE-732 (Incorrect Permission Assignment for Critical Resource), CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2019-12645?

It affects 1 product.


Products: Cisco Jabber.

## How do I fix CVE-2019-12645?

No fix has been published for CVE-2019-12645 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-12645 being exploited?

There is no known exploitation of CVE-2019-12645 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Jabber for Mac

- [CVE-2021-1411](https://insights.sbomify.com/CVE-2021-1411/): Cisco Jabber Desktop and Mobile Client Software Vulnerabilities (critical 9.9)
- [CVE-2021-1417](https://insights.sbomify.com/CVE-2021-1417/): Cisco Jabber Desktop and Mobile Client Software Vulnerabilities (critical 9.9)
- [CVE-2021-1418](https://insights.sbomify.com/CVE-2021-1418/): Cisco Jabber Desktop and Mobile Client Software Vulnerabilities (critical 9.9)
- [CVE-2021-1469](https://insights.sbomify.com/CVE-2021-1469/): Cisco Jabber Desktop and Mobile Client Software Vulnerabilities (critical 9.9)
- [CVE-2021-1471](https://insights.sbomify.com/CVE-2021-1471/): Cisco Jabber Desktop and Mobile Client Software Vulnerabilities (critical 9.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-12645 and fix it if it is affected.

What it is: CVE-2019-12645 is a medium-severity vulnerability in Cisco Jabber for Mac, published on 5 Sep 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2019-12645 in the wild and no public exploit code.

Affected product: Cisco Jabber for Mac. 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-2019-12645/ (Markdown: https://insights.sbomify.com/CVE-2019-12645/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-12645
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-12645
- OSV: https://osv.dev/vulnerability/CVE-2019-12645

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-12645/
Summaries are generated and may contain mistakes; the official description above is the record.