# CVE-2016-6043: Auth bypass in Tivoli Storage Manager Extended Edition

> Local users can hijack active sessions in IBM Tivoli Storage Manager Operations Center due to missing session expiration enforcement.

- **Severity:** High 7.0 (`CVSS:3.0/AV:L/AC:H/PR:L/UI:N/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:** Not needed
- **Fix available:** No
- **Published:** 1 Feb 2017
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-4mh4-9h6c-9mc5

## What is CVE-2016-6043?

CVE-2016-6043 is a high-severity authentication bypass vulnerability in IBM Corporation Tivoli Storage Manager Extended Edition, published on 1 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Tivoli Storage Manager Operations Center could allow a local user to take over a previously logged in user due to session expiration not being enforced.

Weakness: CWE-384 (Session Fixation)

## Which versions are affected by CVE-2016-6043?

It affects 1 product.


Products: Ibm Tivoli Storage Manager.

## How do I fix CVE-2016-6043?

No fix has been published for CVE-2016-6043 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-6043 being exploited?

There is no known exploitation of CVE-2016-6043 in the wild and no public exploit code.

## Other vulnerabilities in IBM Corporation Tivoli Storage Manager Extended Edition

- [CVE-2009-3854](https://insights.sbomify.com/CVE-2009-3854/): Memory corruption in n/a (critical 10.0)
- [CVE-2009-1178](https://insights.sbomify.com/CVE-2009-1178/): Other in n/a (critical 10.0)
- [CVE-2008-4563](https://insights.sbomify.com/CVE-2008-4563/): Memory corruption in n/a (critical 10.0)
- [CVE-2006-5855](https://insights.sbomify.com/CVE-2006-5855/): Memory corruption in n/a (critical 10.0)
- [CVE-2016-8937](https://insights.sbomify.com/CVE-2016-8937/): Information disclosure in Spectrum Protect (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-6043 and fix it if it is affected.

What it is: CVE-2016-6043 is a high-severity authentication bypass vulnerability in IBM Corporation Tivoli Storage Manager Extended Edition, published on 1 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2016-6043 in the wild and no public exploit code.

Affected product: IBM Corporation Tivoli Storage Manager Extended Edition. 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-2016-6043/ (Markdown: https://insights.sbomify.com/CVE-2016-6043/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-6043
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-6043
- OSV: https://osv.dev/vulnerability/CVE-2016-6043

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-6043/
Summaries are generated and may contain mistakes; the official description above is the record.