# A spoofing vulnerability exists in Microsoft Visual Studio as it includes a reply URL that is not secured by SSL, aka 'Microsoft Visual Studio Spoofing Vulnerability'.

CVE record · `CVE-2020-0884`

- **Identifiers:** `CVE-2020-0884`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** microsoft
- **Technologies:** [Microsoft Visual Studio 2017 version 15.9 (includes 15.1 - 15.8)](https://agentprime.io/advisories/technology/microsoft-visual-studio-2017-version-15-9-includes-15-1-15-8.md) · [Microsoft Visual Studio 2019](https://agentprime.io/advisories/technology/microsoft-visual-studio-2019.md) · [Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)](https://agentprime.io/advisories/technology/microsoft-visual-studio-2019-version-16-4-includes-16-0-16-3.md)
- **Published:** 12 Mar 2020
- **Updated:** 4 Aug 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: microsoft) at 12 Mar 2020, 15:48 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Microsoft. Product: Microsoft Visual Studio 2017 version 15.9 (includes 15.1 - 15.8).
  - affected: `unspecified`
- Vendor: Microsoft. Product: Microsoft Visual Studio 2019.
  - affected: `16.0`
- Vendor: Microsoft. Product: Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3).
  - affected: `unspecified`

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.017, the 76th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 12 Mar 2020. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2020-0884](https://www.cve.org/CVERecord?id=CVE-2020-0884)
- [NVD: CVE-2020-0884](https://nvd.nist.gov/vuln/detail/CVE-2020-0884)

### References from the CNA

- <https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0884>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2020-0884>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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