# CVE-2023-50436: Information disclosure in n/a

> Attackers can read admin credentials from log files to gain unauthorized access to Couchbase Server.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **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:** 28 Feb 2024
- **Updated:** 14 Nov 2024
- **Also known as:** GHSA-qp9m-27hg-v883

## What is CVE-2023-50436?

CVE-2023-50436 is a medium-severity vulnerability in Couchbase Couchbase Server, published on 28 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

An issue was discovered in Couchbase Server before 7.2.4. ns_server admin credentials are leaked in encoded form in the diag.log file. The earliest affected version is 7.1.5.

Weakness: CWE-522 (Insufficiently Protected Credentials)

## Which versions are affected by CVE-2023-50436?

It affects 1 product.


Products: Couchbase Couchbase Server.

## How do I fix CVE-2023-50436?

No fix has been published for CVE-2023-50436 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-50436 being exploited?

There is no known exploitation of CVE-2023-50436 in the wild and no public exploit code.

## Other vulnerabilities in Couchbase Couchbase Server

- [CVE-2024-0519](https://insights.sbomify.com/CVE-2024-0519/): Google Chromium V8 Out-of-Bounds Memory Access (high 8.8, exploited in the wild)
- [CVE-2023-3079](https://insights.sbomify.com/CVE-2023-3079/): Google Chromium V8 Type Confusion (high 8.8, exploited in the wild)
- [CVE-2023-2033](https://insights.sbomify.com/CVE-2023-2033/): Google Chromium V8 Type Confusion (high 8.8, exploited in the wild)
- [CVE-2023-49930](https://insights.sbomify.com/CVE-2023-49930/): Missing authorization in n/a (critical 9.8)
- [CVE-2023-49931](https://insights.sbomify.com/CVE-2023-49931/): Missing authorization in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-50436 and fix it if it is affected.

What it is: CVE-2023-50436 is a medium-severity vulnerability in Couchbase Couchbase Server, published on 28 Feb 2024. 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-2023-50436 in the wild and no public exploit code.

Affected product: Couchbase Couchbase Server. 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-2023-50436/ (Markdown: https://insights.sbomify.com/CVE-2023-50436/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-50436
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-50436
- OSV: https://osv.dev/vulnerability/CVE-2023-50436

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-50436/
Summaries are generated and may contain mistakes; the official description above is the record.