# CVE-2021-2353: Information disclosure in Siebel Core - Server Framework

> A high-privileged attacker with local access can exploit a vulnerability in Oracle Siebel CRM to gain unauthorized access to critical data.

- **Severity:** Medium 4.4 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Jul 2021
- **Updated:** 26 Sep 2024
- **Also known as:** GHSA-7847-67x5-hgrr

## What is CVE-2021-2353?

CVE-2021-2353 is a medium-severity vulnerability in Oracle Corporation Siebel Core - Server Framework, published on 20 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Vulnerability in the Siebel Core - Server Framework product of Oracle Siebel CRM (component: Loging). Supported versions that are affected are 21.5 and Prior. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Siebel Core - Server Framework executes to compromise Siebel Core - Server Framework. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel Core - Server Framework accessible data. CVSS 3.1 Base Score 4.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

## Which versions are affected by CVE-2021-2353?

It affects 1 product.


Products: Oracle Siebel Core - Server Framework.

## How do I fix CVE-2021-2353?

No fix has been published for CVE-2021-2353 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-2353 being exploited?

There is no known exploitation of CVE-2021-2353 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Corporation Siebel Core - Server Framework

- [CVE-2021-2039](https://insights.sbomify.com/CVE-2021-2039/): Cross-site scripting in Siebel Core - Server Framework (high 7.6)
- [CVE-2019-2777](https://insights.sbomify.com/CVE-2019-2777/): Cross-site scripting in Siebel Core - Server Framework (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-2353 and fix it if it is affected.

What it is: CVE-2021-2353 is a medium-severity vulnerability in Oracle Corporation Siebel Core - Server Framework, published on 20 Jul 2021. 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-2021-2353 in the wild and no public exploit code.

Affected product: Oracle Corporation Siebel Core - Server Framework. 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-2021-2353/ (Markdown: https://insights.sbomify.com/CVE-2021-2353/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-2353
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-2353
- OSV: https://osv.dev/vulnerability/CVE-2021-2353

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-2353/
Summaries are generated and may contain mistakes; the official description above is the record.