How severe is CVE-2021-29655?

CVE-2021-29655 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-29655 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29655?

CVE-2021-29655 affects Pexip Infinity Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29655?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-29655 published?

CVE-2021-29655 was published on 2022-02-18 and last updated on 2026-06-17.

CVE-2021-29655

CVE-2021-29655 is a critical-severity vulnerability in Pexip Infinity Connect with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-345.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Pexip Infinity Connect
Published: 2022-02-18
Last modified: 2026-06-17

Description

Pexip Infinity Connect before 1.8.0 omits certain provisioning authenticity checks. Thus, untrusted code may execute.

Frequently asked questions

What is CVE-2021-29655?: Pexip Infinity Connect before 1.8.0 omits certain provisioning authenticity checks. Thus, untrusted code may execute.
How severe is CVE-2021-29655?: CVE-2021-29655 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-29655 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29655?: CVE-2021-29655 affects Pexip Infinity Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29655?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-29655 published?: CVE-2021-29655 was published on 2022-02-18 and last updated on 2026-06-17.

References

https://docs.pexip.com/admin/security_bulletins.htm

Affected products (1)

cpe:2.3:a:pexip:infinity_connect:*:*:*:*:*:*:*:*

More vulnerabilities in Pexip Infinity Connect

CVE-2021-29656 — Critical (CVSS 9.8): Pexip Infinity Connect before 1.8.0 mishandles TLS certificate validation. The allow list is not properly checked.

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