ZK Framework AuUploader Unspecified Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

7.5 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

93.98 %

Predictive Probability

Percentile Rank

99.9 th

Documented as more likely to be exploited than 99.9% of known CVEs.

Detection Date

Feb 27, 2023

Remediation Due

Mar 20, 2023

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply updates per vendor instructions.

Asset Context

Vendor Identity

ZK Framework

Affected Product

AuUploader

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-441

External Intelligence

https://tracker.zkoss.org/browse/ZK-5150

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2022-36537