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Actively exploited

CVE-2022-22965 Spring Framework JDK 9+ Remote Code Execution Vulnerability

Spring MVC or Spring WebFlux application running on JDK 9+ may be vulnerable to remote code execution (RCE) via data binding.

From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.

Our Assessment

Should You Worry?

Patch nowCybergen assessment
  • CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 4 Apr 2022.
  • Rated Critical severity (CVSS 9.8, scored by CISA).
  • It has been in the catalogue for 1,677 days. Systems still unpatched now have almost certainly been scanned for it.
The Vulnerability

What It Is

A Spring MVC or Spring WebFlux application running on JDK 9+ may be vulnerable to remote code execution (RCE) via data binding. The specific exploit requires the application to run on Tomcat as a WAR deployment. If the application is deployed as a Spring Boot executable jar, i.e. the default, it is not vulnerable to the exploit. However, the nature of the vulnerability is more general, and there may be other ways to exploit it.

Affected Versions

ProductVersions
Spring FrameworkSpring Framework versions 5.3.X prior to 5.3.18+, 5.2.x prior to 5.2.20+ and all old and unsupported versions

From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.

From Watch to Action

What To Do Now

  1. 1

    Find it

    Search your asset inventory and external attack surface for VMware Spring Framework. Include cloud images, appliances and anything a supplier runs for you.

    Attack Surface Management
  2. 2

    Fix it

    Apply updates per vendor instructions.

    Vulnerability Management
  3. 3

    Hunt for compromise

    If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.

    Incident Response
  4. 4

    Prove it is fixed

    Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.

    Penetration Testing

Vendor Advisories

Regulation

The Compliance Clock

Cyber EssentialsRated critical, so if it affects devices in your Cyber Essentials scope, the update must be installed within 14 days of the vendor releasing it.NIS2If exploitation causes a significant incident, essential and important entities owe their CSIRT an early warning within 24 hours and a notification within 72 hours.DORAFinancial entities must classify ICT incidents and send an initial notification for a major incident within strict deadlines, with exploited flaws a common cause.US federal (BOD 22-01)Federal civilian agencies had until 25 Apr 2022 to remediate. A sensible benchmark for everyone else.

General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.

Stay Ahead

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Not Sure If You Are Exposed?

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Evidence

Sources

  1. CISA Known Exploited Vulnerabilities catalogue
  2. NVD: CVE-2022-22965
  3. CVE record: CVE-2022-22965
  4. FIRST EPSS
  5. tanzu.vmware.com/security/cve-2022-22965
  6. tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-java-spring-rce-Zx9GUc67
  7. oracle.com/security-alerts/cpuapr2022.html
  8. psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0005
  9. packetstormsecurity.com/files/166713/Spring4Shell-Code-Execution.html
  10. cert-portal.siemens.com/productcert/pdf/ssa-254054.pdf
  11. oracle.com/security-alerts/cpujul2022.html
  12. packetstormsecurity.com/files/167011/Spring4Shell-Spring-Framework-Class-Property-Remote-Code-Execut