# CVE-2002-0507: Auth bypass in n/a

> Attackers can bypass RSA SecurID authentication in Microsoft Outlook Web Access by submitting specific requests, allowing unauthorized access to previous user accounts.

- **Severity:** Low 2.1 (`AV:L/AC:L/Au:N/C:N/I:P/A:N`)
- **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:** 11 Jun 2002
- **Updated:** 8 Aug 2024
- **Also known as:** GHSA-v9f9-qwj8-vjff

## What is CVE-2002-0507?

CVE-2002-0507 is a low-severity authentication bypass vulnerability in Microsoft Exchange Server, published on 11 Jun 2002. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An interaction between Microsoft Outlook Web Access (OWA) with RSA SecurID allows local users to bypass the SecurID authentication for a previous user via several submissions of an OWA Authentication request with the proper OWA password for the previous user, which is eventually accepted by OWA.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2002-0507?

It affects 2 products.


Products: Microsoft Exchange Server, Rsa Securid.

## How do I fix CVE-2002-0507?

No fix has been published for CVE-2002-0507 yet. Limit exposure of the affected software until one is available.

## Is CVE-2002-0507 being exploited?

There is no known exploitation of CVE-2002-0507 in the wild and no public exploit code.

## Other vulnerabilities in Microsoft Exchange Server

- [CVE-2024-21410](https://insights.sbomify.com/CVE-2024-21410/): Microsoft Exchange Server Privilege Escalation (critical 9.8, exploited in the wild)
- [CVE-2021-34473](https://insights.sbomify.com/CVE-2021-34473/): Microsoft Exchange Server Remote Code Execution (critical 9.1, exploited in the wild)
- [CVE-2021-26855](https://insights.sbomify.com/CVE-2021-26855/): Microsoft Exchange Server Remote Code Execution (critical 9.1, exploited in the wild)
- [CVE-2021-34523](https://insights.sbomify.com/CVE-2021-34523/): Microsoft Exchange Server Privilege Escalation (critical 9.0, exploited in the wild)
- [CVE-2023-21529](https://insights.sbomify.com/CVE-2023-21529/): Microsoft Exchange Server Deserialization of Untrusted Data (high 8.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2002-0507 and fix it if it is affected.

What it is: CVE-2002-0507 is a low-severity authentication bypass vulnerability in Microsoft Exchange Server, published on 11 Jun 2002. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2002-0507 in the wild and no public exploit code.

Affected product: Microsoft Exchange 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-2002-0507/ (Markdown: https://insights.sbomify.com/CVE-2002-0507/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2002-0507
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2002-0507
- OSV: https://osv.dev/vulnerability/CVE-2002-0507

---
From sbomify Insights: https://insights.sbomify.com/CVE-2002-0507/
Summaries are generated and may contain mistakes; the official description above is the record.