# CVE-2020-1331: Cross-site scripting in System Center 2016 Operations Manager

> Attackers can spoof requests in System Center Operations Manager by exploiting improper sanitization of web requests, potentially bypassing security controls.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 9 Jun 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-g72r-8jv2-wpp8

## What is CVE-2020-1331?

CVE-2020-1331 is a medium-severity cross-site scripting vulnerability in Microsoft System Center 2016 Operations Manager, published on 9 Jun 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A spoofing vulnerability exists when System Center Operations Manager (SCOM) does not properly sanitize a specially crafted web request to an affected SCOM instance, aka 'System Center Operations Manager Spoofing Vulnerability'.

Weakness: CWE-290 (Authentication Bypass by Spoofing)

## Which versions are affected by CVE-2020-1331?

It affects 1 product.


Products: Microsoft System Center Operations Manager.

## How do I fix CVE-2020-1331?

No fix has been published for CVE-2020-1331 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-1331 being exploited?

There is no known exploitation of CVE-2020-1331 in the wild and no public exploit code.

## Other vulnerabilities in Microsoft System Center 2016 Operations Manager

- [CVE-2026-20967](https://insights.sbomify.com/CVE-2026-20967/): System Center Operations Manager (SCOM) Elevation of Privilege Vulnerability (high 8.8)
- [CVE-2021-1728](https://insights.sbomify.com/CVE-2021-1728/): System Center Operations Manager Elevation of Privilege Vulnerability (high 8.8)
- [CVE-2021-41352](https://insights.sbomify.com/CVE-2021-41352/): SCOM Information Disclosure Vulnerability (high 7.5)
- [CVE-2023-36043](https://insights.sbomify.com/CVE-2023-36043/): Open Management Infrastructure Information Disclosure Vulnerability (medium 6.5)
- [CVE-2015-2420](https://insights.sbomify.com/CVE-2015-2420/): Cross-site scripting in n/a (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-1331 and fix it if it is affected.

What it is: CVE-2020-1331 is a medium-severity cross-site scripting vulnerability in Microsoft System Center 2016 Operations Manager, published on 9 Jun 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-1331 in the wild and no public exploit code.

Affected product: Microsoft System Center 2016 Operations Manager. 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-2020-1331/ (Markdown: https://insights.sbomify.com/CVE-2020-1331/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-1331
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-1331
- OSV: https://osv.dev/vulnerability/CVE-2020-1331

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-1331/
Summaries are generated and may contain mistakes; the official description above is the record.