Cyber Resilience

CVE-2022-1805

High

Published: 28 July 2022

Published
28 July 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0041 61.6th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-1805 is a high-severity Improper Certificate Validation (CWE-295) vulnerability in Teradici Tera2 Pcoip Zero Client Firmware. Its CVSS base score is 8.1 (High).

Operationally, ranked in the top 38.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

When connecting to Amazon Workspaces, the SHA256 presented by AWS connection provisioner is not fully verified by Zero Clients. The issue could be exploited by an adversary that places a MITM (Man in the Middle) between a zero client and…

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AWS session provisioner in the network. This issue is only applicable when connecting to an Amazon Workspace from a PCoIP Zero Client.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

teradici
tera2 pcoip zero client firmware
22.04 · ≤ 22.01.5

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-295

When certificates are used to establish component provenance, the control requires correct certificate validation procedures.

addresses: CWE-295

Mandates approved trust anchors and issuance policies, directly preventing acceptance of unvalidated or untrusted certificates.

addresses: CWE-295

Correct system time is required for proper enforcement of certificate notBefore/notAfter dates and time-based revocation checks.

References