# CVE-2016-3020: Security feature bypass in Access Manager

> Remote attackers can bypass security restrictions and load malicious content by persuading victims to open specially-crafted content in IBM Access Manager.

- **Severity:** Medium 5.5 (`CVSS:3.0/AV:L/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:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 7 Feb 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-8px6-jg7c-h734

## What is CVE-2016-3020?

CVE-2016-3020 is a medium-severity vulnerability in IBM Corporation Access Manager, published on 7 Feb 2017. 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

IBM Security Access Manager for Web 7.0.0, 8.0.0, and 9.0.0 could allow a remote attacker to bypass security restrictions, caused by improper content validation. By persuading a victim to open specially-crafted content, an attacker could exploit this vulnerability to bypass validation and load a page with malicious content.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2016-3020?

It affects 4 products.


Products: Ibm Security Access Manager 9.0 Firmware, Ibm Security Access Manager for Mobile, Ibm Security Access Manager for Web 7.0 Firmware, Ibm Security Access Manager for Web 8.0 Firmware.

## How do I fix CVE-2016-3020?

No fix has been published for CVE-2016-3020 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-3020 being exploited?

There is no known exploitation of CVE-2016-3020 in the wild and no public exploit code.

## Other vulnerabilities in IBM Corporation Access Manager

- [CVE-2016-2908](https://insights.sbomify.com/CVE-2016-2908/): XML external entity in Access Manager (critical 9.1)
- [CVE-2017-1453](https://insights.sbomify.com/CVE-2017-1453/): Command injection in Security Access Manager (high 8.8)
- [CVE-2016-3029](https://insights.sbomify.com/CVE-2016-3029/): Cross-site request forgery in Access Manager (high 8.8)
- [CVE-2017-1477](https://insights.sbomify.com/CVE-2017-1477/): XML external entity in Security Access Manager (high 8.1)
- [CVE-2015-5018](https://insights.sbomify.com/CVE-2015-5018/): Command injection in n/a (high 8.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-3020 and fix it if it is affected.

What it is: CVE-2016-3020 is a medium-severity vulnerability in IBM Corporation Access Manager, published on 7 Feb 2017. 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-2016-3020 in the wild and no public exploit code.

Affected product: IBM Corporation Access 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-2016-3020/ (Markdown: https://insights.sbomify.com/CVE-2016-3020/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-3020
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-3020
- OSV: https://osv.dev/vulnerability/CVE-2016-3020

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From sbomify Insights: https://insights.sbomify.com/CVE-2016-3020/
Summaries are generated and may contain mistakes; the official description above is the record.