# CVE-2018-6496: MFSBGN03809 rev.1 - Universal CMDB, Deserialization Java Objects and CSRF

> Remote attackers can exploit unsafe deserialization and CSRF in UCMDB Browser to execute arbitrary code or bypass security controls.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 15 Jun 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-3w65-72f9-frg9

## What is CVE-2018-6496?

CVE-2018-6496 is a high-severity unsafe deserialization vulnerability in Micro Focus UCMDB Browser, published on 15 Jun 2018. 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

Remote Cross-site Request forgery (CSRF) potential has been identified in UCMBD Browser version 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.15.1 which could allow for remote unsafe deserialization and cross-site request forgery (CSRF).

Weakness: CWE-502 (Deserialization of Untrusted Data), CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2018-6496?

It affects 1 product.


Products: Microfocus Universal Cmbd Browser.

## How do I fix CVE-2018-6496?

No fix has been published for CVE-2018-6496 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-6496 being exploited?

There is no known exploitation of CVE-2018-6496 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-6496 and fix it if it is affected.

What it is: CVE-2018-6496 is a high-severity unsafe deserialization vulnerability in Micro Focus UCMDB Browser, published on 15 Jun 2018. 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-2018-6496 in the wild and no public exploit code.

Affected product: Micro Focus UCMDB Browser. 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-2018-6496/ (Markdown: https://insights.sbomify.com/CVE-2018-6496/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-6496
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-6496
- OSV: https://osv.dev/vulnerability/CVE-2018-6496

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-6496/
Summaries are generated and may contain mistakes; the official description above is the record.