How severe is GHSA-43fp-rhv2-5gv8?

GHSA-43fp-rhv2-5gv8 has a CVSS score of 6.8/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by GHSA-43fp-rhv2-5gv8?

GHSA-43fp-rhv2-5gv8 affects the following packages: certifi (PyPI). Ecosystems affected: PyPI.

How do I fix GHSA-43fp-rhv2-5gv8?

Update certifi to version 2022.12.07 or later. Run your dependency manager's update command and verify no transitive dependencies pin the vulnerable version. Use O3 Security's SCA scanner to confirm the fix is applied across your entire dependency tree.

Is GHSA-43fp-rhv2-5gv8 actively exploited in the wild?

No public exploit code has been indexed for GHSA-43fp-rhv2-5gv8 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for GHSA-43fp-rhv2-5gv8?

GHSA-43fp-rhv2-5gv8 has an EPSS (Exploit Prediction Scoring System) score of 0.1%, placing it in the 21th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is GHSA-43fp-rhv2-5gv8?

GHSA-43fp-rhv2-5gv8 is classified as CWE-345 (CWE-345). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was GHSA-43fp-rhv2-5gv8 published, and has it been updated?

GHSA-43fp-rhv2-5gv8 was published on December 7, 2022 and was last updated on February 12, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐍 PyPI

GHSA-43fp-rhv2-5gv8

MEDIUM

Certifi removing TrustCor root certificate

Also known asCVE-2022-23491PYSEC-2022-42986

Published

Dec 7, 2022

Updated

Feb 12, 2025

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

EPSS Exploitation Probability

via FIRST.org ↗

0.1%probability of exploitation in next 30 days

Lower Risk21th percentile+0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

1 pkg affected

🐍certifi

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Certifi 2022.12.07 removes root certificates from "TrustCor" from the root store. These are in the process of being removed from Mozilla's trust store.

TrustCor's root certificates are being removed pursuant to an investigation prompted by media reporting that TrustCor's ownership also operated a business that produced spyware. Conclusions of Mozilla's investigation can be found here.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐍PyPI	`certifi`	≥ 2017.11.05&&< 2022.12.07	2022.12.07

Frequently Asked Questions

Certifi 2022.12.07 removes root certificates from "TrustCor" from the root store. These are in the process of being removed from Mozilla's trust store. TrustCor's root certificates are being removed pursuant to an investigation prompted by media reporting that TrustCor's ownership also operated a business that produced spyware. Conclusions of Mozilla's investigation can be found [here](https://groups.google.com/a/mozilla.org/g/dev-security-policy/c/oxX69KFvsm4/m/yLohoVqtCgAJ).

O3 Security · Impact-Aware SCA

Is GHSA-43fp-rhv2-5gv8 in your stack?

O3 detects GHSA-43fp-rhv2-5gv8 across PyPI dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works

CVSS Score

6.8/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Network

AC:Attack Complexity

Low

PR:Privileges Required

High

UI:User Interaction

None

S:Scope

Changed

C:Confidentiality

None

I:Integrity

High

A:Availability

None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

CWE Classification

CWE-345CWE-345

Weaponization

No known public exploit tooling found.

OpenSSF Scorecard

Package health score

python-certifi

5.9/10

Maintained8/10

Code-Review0/10

Branch-Protection0/10

Assessed Jun 8, 2026

Timeline

Disclosed

Dec 7, 2022

Last updated

Feb 12, 2025

Identifiers

GHSA-43fp-rhv2-5gv8

PYSEC-2022-42986

References

Advisorynvd.nist.gov Webgithub.com Webgithub.com Webgithub.com Webgroups.google.com Websecurity.netapp.com Packagegithub.com

Data from OSV.dev, enriched by O3 Security. Refreshed hourly.