# CVE-2018-1495: Path traversal in FlashSystem V840

> An authenticated attacker with specialized access can overwrite arbitrary files on IBM FlashSystem devices, causing a denial of service.

- **Severity:** Medium 6.5 (`CVSS:3.0/A:H/AC:L/AV:N/C:N/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 May 2018
- **Updated:** 13 Feb 2025
- **Also known as:** GHSA-j2pq-5cv8-53j8

## What is CVE-2018-1495?

CVE-2018-1495 is a medium-severity path traversal vulnerability in IBM FlashSystem V840, published on 29 May 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

IBM FlashSystem V840 and V900 products could allow an authenticated attacker with specialized access to overwrite arbitrary files which could cause a denial of service. IBM X-Force ID: 141148.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2018-1495?

It affects 2 products.


Products: Ibm Flashsystem 840 Firmware, Ibm Flashsystem 900 Firmware.

## How do I fix CVE-2018-1495?

No fix has been published for CVE-2018-1495 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-1495 being exploited?

There is no known exploitation of CVE-2018-1495 in the wild and no public exploit code.

## Other vulnerabilities in IBM FlashSystem V840

- [CVE-2018-1822](https://insights.sbomify.com/CVE-2018-1822/): Auth bypass in FlashSystem 900 (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-1495 and fix it if it is affected.

What it is: CVE-2018-1495 is a medium-severity path traversal vulnerability in IBM FlashSystem V840, published on 29 May 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-1495 in the wild and no public exploit code.

Affected product: IBM FlashSystem V840. 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-2018-1495/ (Markdown: https://insights.sbomify.com/CVE-2018-1495/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-1495
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-1495
- OSV: https://osv.dev/vulnerability/CVE-2018-1495

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-1495/
Summaries are generated and may contain mistakes; the official description above is the record.