# CVE-2018-3126: Auth bypass in Retail Xstore Point of Service

> High-privileged attackers can compromise Oracle Retail Xstore Point of Service via HTTP, leading to full system takeover.

- **Severity:** Medium 6.6 (`CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Oct 2018
- **Updated:** 2 Oct 2024
- **Also known as:** GHSA-p6hh-9ppc-p972

## What is CVE-2018-3126?

CVE-2018-3126 is a medium-severity authentication bypass vulnerability in Oracle Retail Xstore Point of Service, published on 17 Oct 2018. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Vulnerability in the Oracle Retail Xstore Point of Service component of Oracle Retail Applications (subcomponent: Xenvironment). Supported versions that are affected are 15.0.2, 16.0.4 and 17.0.2. Difficult to exploit vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Retail Xstore Point of Service. Successful attacks of this vulnerability can result in takeover of Oracle Retail Xstore Point of Service. CVSS 3.0 Base Score 6.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H).

## Which versions are affected by CVE-2018-3126?

It affects 1 product.


Products: Oracle Retail Xstore Point of Service.

## How do I fix CVE-2018-3126?

No fix has been published for CVE-2018-3126 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-3126 being exploited?

There is no known exploitation of CVE-2018-3126 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Retail Xstore Point of Service

- [CVE-2017-10214](https://insights.sbomify.com/CVE-2017-10214/): Missing authorization in Retail Xstore Point of Service (high 8.2)
- [CVE-2018-2840](https://insights.sbomify.com/CVE-2018-2840/): Information disclosure in Retail Xstore Point of Service (high 7.6)
- [CVE-2017-10427](https://insights.sbomify.com/CVE-2017-10427/): Other in Retail Xstore Point of Service (medium 6.5)
- [CVE-2017-10183](https://insights.sbomify.com/CVE-2017-10183/): Other in Retail Xstore Point of Service (medium 6.5)
- [CVE-2016-3429](https://insights.sbomify.com/CVE-2016-3429/): Other in n/a (medium 4.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-3126 and fix it if it is affected.

What it is: CVE-2018-3126 is a medium-severity authentication bypass vulnerability in Oracle Retail Xstore Point of Service, published on 17 Oct 2018. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-3126 in the wild and no public exploit code.

Affected product: Oracle Retail Xstore Point of Service. 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-2018-3126/ (Markdown: https://insights.sbomify.com/CVE-2018-3126/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-3126
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-3126
- OSV: https://osv.dev/vulnerability/CVE-2018-3126

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-3126/
Summaries are generated and may contain mistakes; the official description above is the record.