Exposure of password hashes via API responses in ConnectWise PSA
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ConnectWise | PSA | unaffected |
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No data.
| Vendor | Product | Versions |
|---|---|---|
| Connectwise | Connectwise | — |
Vendor Solution
Cloud: Cloud instances are automatically being updated to the latest ConnectWise PSA release. On-Premise: Apply the 2025.9 release patches and ensure all desktop clients are up to date.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-20827 | In ConnectWise PSA versions older than 2025.9, a vulnerability exists where authenticated users could gain access to sensitive user information. Specific API requests were found to return an overly verbose user object, which included encrypted password hashes for other users. Authenticated users could then retrieve these hashes. An attacker or privileged user could then use these exposed hashes to conduct offline brute-force or dictionary attacks. Such attacks could lead to credential compromise, allowing unauthorized access to accounts, and potentially privilege escalation within the system. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.365% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Connectwise professional Service Automation
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| Weaknesses | NVD-CWE-noinfo | |
| CPEs | cpe:2.3:a:connectwise:professional_service_automation:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Connectwise professional Service Automation
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
epss
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epss
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| Type | Values Removed | Values Added |
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| References |
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| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | In ConnectWise PSA versions older than 2025.9, a vulnerability exists where authenticated users could gain access to sensitive user information. Specific API requests were found to return an overly verbose user object, which included encrypted password hashes for other users. Authenticated users could then retrieve these hashes. An attacker or privileged user could then use these exposed hashes to conduct offline brute-force or dictionary attacks. Such attacks could lead to credential compromise, allowing unauthorized access to accounts, and potentially privilege escalation within the system. | |
| Title | Exposure of password hashes via API responses in ConnectWise PSA | |
| Weaknesses | CWE-201 | |
| References |
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| Metrics |
cvssV3_1
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