CVE-2021-40855

The EU Technical Specifications for Digital COVID Certificates before 1.1 mishandle certificate governance

published January 21, 2022

CVSS
—
EPSS
1%
Percentile
51.0
In the wild
Unconfirmed
What it is

⚠️ A non-production public key certificate was mistakenly used in production — like serving a gourmet meal with last week's leftovers! Think of a restaurant that accidentally uses a test recipe instead of the final one for a VIP event. The dish might be similar, but it’s definitely not what the guests are expecting, risking their trust and satisfaction. If exploited, this could lead to significant trust issues regarding the validity of digital COVID certificates. Users might face challenges accessing services, and it could create confusion around authentication processes.

Put simply

Think of a restaurant that accidentally uses a test recipe instead of the final one for a VIP event. The dish might be similar, but it’s definitely not what the guests are expecting, risking their trust and satisfaction. This vulnerability arises from mishandling certificate governance in the EU Technical Specifications for Digital COVID Certificates, allowing a non-production public key certificate to be used in production, leading to potential certificate validation issues.

What to do

If exploited, this could lead to significant trust issues regarding the validity of digital COVID certificates. Users might face challenges accessing services, and it could create confusion around authentication processes. To mitigate this risk, ensure that only valid production keys are used in deployment. Review your certificate governance processes and update them to prevent non-production keys from being utilized in a live environment. Regular audits can help catch similar issues before they escalate. You've got this! With a few adjustments, you can ensure your certificate governance is rock-solid and trustworthy. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00660 · 51.0th percentile
Published
2022-01-21T15:33Z
EPSS history
Timeline
  • 21 JAN 15:33Z
    The EU Technical Specifications for Digital COVID Certificates before 1.1 mishandle certificate governance
    cvelistv5