Is CVE-2021-29656 in the CISA KEV catalog?

No. CVE-2021-29656 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-29656?

CVE-2021-29656 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-29656?

CVE-2021-29656 has an EPSS score of 0.67% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-29656?

Upgrade infinity connect to 1.8.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-29656

CRITICAL

9.8

CVSS v3

NVD

Description

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

CWE-295Improper Certificate Validation

How to fix

Remediation Available

infinity connectNVD

Affected:< 1.8.0Fixed in:1.8.0CVE-2021-29656derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.67%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Vendor Advisory1

docs.pexip.com

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.