CVE-2022-36537: ZK Framework vulnerable to malicious POST

CVE-2022-36537 · Severity: critical · CVSS 3.1 · Exploited in the wild · Published 2022-08-27

The ZK Framework AuUploader component contains a vulnerability that allows remote attackers to retrieve sensitive files from the web context via crafted POST requests. This flaw has been observed in the wild and impacts products utilizing the framework, such as ConnectWise R1Soft Server Backup Manager.

Vendors: Maven.

Quick answers

Is CVE-2022-36537 exploited in the wild?
Yes. CVE-2022-36537 is known to be exploited in the wild, first recorded on 27 February 2023. Treat it as urgent.
How severe is CVE-2022-36537?
Critical severity, with a CVSS score of 3.1, published 27 August 2022.
Which products and versions are affected?
org.zkoss.zk:zk (Maven) ECOSYSTEM:introduced=0,fixed=8.6.4.2.
Is there a fix for CVE-2022-36537?
Yes. org.zkoss.zk:zk (Maven): upgrade to 8.6.4.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2022-36537 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2022-36537?
Check whether you run org.zkoss.zk:zk (Maven) or ZK Framework AUUploader at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • org.zkoss.zk:zk (Maven): upgrade to 8.6.4.2 or later
    # set org.zkoss.zk:zk to 8.6.4.2 in your pom.xml or build.gradle

Affected products

  • Potix (ZKoss) ZK Framework 8.6.4.1, 9.0.1.2, 9.5.1.3, 9.6.0.1, 9.6.1
  • ConnectWise R1Soft Server Backup Manager

Identifiers

  • CVE-2022-36537
  • GHSA-6278-2q4m-cmf3

Timeline

  • 2022-08-26: disclosed: NVD Published Date
  • 2023-02-27: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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