# CVE-2023-21848: Privilege escalation in Communications Convergence

> A low-privileged attacker can exploit this vulnerability to take over the Oracle Communications Convergence server via HTTP.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Jan 2023
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-9j5c-cgmx-gr22

## What is CVE-2023-21848?

CVE-2023-21848 is a high-severity vulnerability in Oracle Corporation Communications Convergence, published on 17 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Vulnerability in the Oracle Communications Convergence product of Oracle Communications Applications (component: Admin Configuration).   The supported version that is affected is 3.0.3.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Communications Convergence.  Successful attacks of this vulnerability can result in takeover of Oracle Communications Convergence. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2023-21848?

It affects 1 product.


Products: Oracle Communications Convergence.

## How do I fix CVE-2023-21848?

No fix has been published for CVE-2023-21848 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-21848 being exploited?

There is no known exploitation of CVE-2023-21848 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Corporation Communications Convergence

- [CVE-2017-10031](https://insights.sbomify.com/CVE-2017-10031/): Other in Communications Convergence (high 7.2)
- [CVE-2018-2936](https://insights.sbomify.com/CVE-2018-2936/): Cross-site scripting in Communications Convergence (medium 6.1)
- [CVE-2022-21338](https://insights.sbomify.com/CVE-2022-21338/): Cross-site request forgery in Communications Convergence (medium 4.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-21848 and fix it if it is affected.

What it is: CVE-2023-21848 is a high-severity vulnerability in Oracle Corporation Communications Convergence, published on 17 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-21848 in the wild and no public exploit code.

Affected product: Oracle Corporation Communications Convergence. 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-2023-21848/ (Markdown: https://insights.sbomify.com/CVE-2023-21848/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-21848
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-21848
- OSV: https://osv.dev/vulnerability/CVE-2023-21848

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-21848/
Summaries are generated and may contain mistakes; the official description above is the record.