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 AWS session provisioner in the network. This issue is only applicable when connecting to an Amazon Workspace from a PCoIP Zero Client.
Conclusion & alert: CVE-2022-1805 is rated Moderate Risk (53.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.39%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-08-03 | 0.31% | 0.39% | +0.08% |
| 2 | 2025-07-30 | 0.16% | 0.31% | +0.15% |
| 3 | 2023-08-04 | — | 0.16% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| teradici | tera2_pcoip_zero_client_firmware | < 22.01.5 | cpe:2.3:o:teradici:tera2_pcoip_zero_client_firmware:*:*:*:*:*:*:*:* |
| teradici | tera2_pcoip_zero_client_firmware | 22.04 | cpe:2.3:o:teradici:tera2_pcoip_zero_client_firmware:22.04:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://support.hp.com/us-en/document/ish_6545906-6545930-16/hpsbhf03794 | Patch Vendor Advisory |