Overview
ZK Framework AuUploader servlets contain an unspecified vulnerability that could allow an attacker to retrieve the content of a file located in the web context. The ZK Framework is an open-source Java framework. This vulnerability can impact multiple products, including but not limited to ConnectWise R1Soft Server Backup Manager.
https://tracker.zkoss.org/browse/ZK-5150; https://nvd.nist.gov/vuln/detail/CVE-2022-36537
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2022-36537 |
| Vendor / Product | ZK Framework — AuUploader |
| NVD Published | 2022-08-26 |
| NVD Last Modified | 2025-11-03 |
| CVSS 3.1 Score | 7.5 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Severity | HIGH |
| CISA KEV Added | 2023-02-27 |
| CISA KEV Deadline | 2023-03-20 |
| Known Ransomware Use | ⚠️ Yes |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2023-03-20.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2023-02-27 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2023-03-20 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2022-36537 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |