CVE-2021-29656

Name: CVE-2021-29656
Creator: NVD / NIST
Published: 2022-02-18T22:15:12.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2021-29656 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Pexip Infinity Connect before 1.8.0 mishandles TLS certificate validation. The allow list is not properly checked.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

Pexip Infinity Connect before 1.8.0 mishandles TLS certificate validation. The allow list is not properly checked.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.67%

47.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Pexip	Infinity Connect	< 1.8.0

References

https://docs.pexip.com/admin/security_bulletins.htmVendor Advisory
https://docs.pexip.com/admin/security_bulletins.htmVendor Advisory

Timeline

Published: Feb 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29656?

Pexip Infinity Connect before 1.8.0 mishandles TLS certificate validation. The allow list is not properly checked.

How severe is CVE-2021-29656?

CVE-2021-29656 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29656?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29656?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST