All vulnerabilities

Servers and applications

CVE-2019-4720

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available memory. IBM X-Force ID: 172125.

Severity
High 7.5
Published
31 Jan 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
20.0.0.2
Exploit chance
1.8% in the next 30 daysHigher than 79% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
IBM WebSphere Application ServerServers and applications · cpe:a:ibm:websphere_application_server
  • Every version before 20.0.0.2
  • From 7.0.0.0 up to 7.0.0.45
  • From 8.0.0.0 up to 8.0.0.15
  • From 8.5.0.0 up to 8.5.5.17
  • From 9.0.0.0 up to 9.0.5.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-4720
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-4720