# CVE-2020-4232: Information disclosure in Security Identity Governance and Intelligence

> Attackers can enumerate valid usernames in IBM Security Identity Governance and Intelligence, facilitating further credential-based attacks.

- **Severity:** Medium 5.3 (`CVSS:3.0/PR:N/UI:N/A:N/AC:L/AV:N/C:L/S:U/I:N/E:U/RL:O/RC:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 28 May 2020
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-xwq7-4cc2-m2p8

## What is CVE-2020-4232?

CVE-2020-4232 is a medium-severity vulnerability in IBM Security Identity Governance and Intelligence, published on 28 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

IBM Security Identity Governance and Intelligence 5.2.6 could allow an attacker to enumerate usernames to find valid login credentials which could be used to attempt further attacks against the system. IBM X-Force ID: 175336.

Weakness: CWE-307 (Improper Restriction of Excessive Authentication Attempts)

## Which versions are affected by CVE-2020-4232?

It affects 1 product.


Products: Ibm Security Identity Governance and Intelligence.

## How do I fix CVE-2020-4232?

No fix has been published for CVE-2020-4232 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-4232 being exploited?

There is no known exploitation of CVE-2020-4232 in the wild and no public exploit code.

## Other vulnerabilities in IBM Security Identity Governance and Intelligence

- [CVE-2017-1407](https://insights.sbomify.com/CVE-2017-1407/): Command injection in Security Identity Manager (high 8.8)
- [CVE-2017-1483](https://insights.sbomify.com/CVE-2017-1483/): Missing authorization in Security Identity Manager (high 8.6)
- [CVE-2018-1756](https://insights.sbomify.com/CVE-2018-1756/): SQL injection in Security Identity Governance and Intelligence (high 7.5)
- [CVE-2020-4958](https://insights.sbomify.com/CVE-2020-4958/): Missing authorization in Security Identity Governance and Intelligence (high 7.4)
- [CVE-2020-4246](https://insights.sbomify.com/CVE-2020-4246/): XML external entity in Security Identity Governance and Intelligence (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-4232 and fix it if it is affected.

What it is: CVE-2020-4232 is a medium-severity vulnerability in IBM Security Identity Governance and Intelligence, published on 28 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-4232 in the wild and no public exploit code.

Affected product: IBM Security Identity Governance and Intelligence. 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-2020-4232/ (Markdown: https://insights.sbomify.com/CVE-2020-4232/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-4232
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-4232
- OSV: https://osv.dev/vulnerability/CVE-2020-4232

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-4232/
Summaries are generated and may contain mistakes; the official description above is the record.