# CVE-2020-15605: Auth bypass in Trend Micro Vulnerability Protection

> Unauthenticated attackers can bypass manager authentication in Trend Micro Vulnerability Protection if LDAP is enabled, requiring MFA for mitigation.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Aug 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-xfgp-29qh-w6p6

## What is CVE-2020-15605?

CVE-2020-15605 is a high-severity authentication bypass vulnerability in Trend Micro Vulnerability Protection, published on 27 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

If LDAP authentication is enabled, an LDAP authentication bypass vulnerability in Trend Micro Vulnerability Protection 2.0 SP2 could allow an unauthenticated attacker with prior knowledge of the targeted organization to bypass manager authentication. Enabling multi-factor authentication prevents this attack. Installations using manager native authentication or SAML authentication are not impacted by this vulnerability.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2020-15605?

It affects 2 products.


Products: Trendmicro Deep Security Manager, Trendmicro Vulnerability Protection.

## How do I fix CVE-2020-15605?

No fix has been published for CVE-2020-15605 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-15605 being exploited?

There is no known exploitation of CVE-2020-15605 in the wild and no public exploit code.

## Other vulnerabilities in Trend Micro Vulnerability Protection

- [CVE-2020-15601](https://insights.sbomify.com/CVE-2020-15601/): Auth bypass in Trend Micro Deep Security (high 8.1)
- [CVE-2020-8602](https://insights.sbomify.com/CVE-2020-8602/): Security feature bypass in Trend Micro Deep Security (high 7.2)
- [CVE-2019-9488](https://insights.sbomify.com/CVE-2019-9488/): XML external entity in Trend Micro Deep Security (medium 4.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-15605 and fix it if it is affected.

What it is: CVE-2020-15605 is a high-severity authentication bypass vulnerability in Trend Micro Vulnerability Protection, published on 27 Aug 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-2020-15605 in the wild and no public exploit code.

Affected product: Trend Micro Vulnerability Protection. 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-2020-15605/ (Markdown: https://insights.sbomify.com/CVE-2020-15605/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-15605
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-15605
- OSV: https://osv.dev/vulnerability/CVE-2020-15605

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-15605/
Summaries are generated and may contain mistakes; the official description above is the record.