UpHeron
All vulnerabilities

Servers and applications

CVE-2020-9484

When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a…

Severity
High 7.0
Published
20 May 2020
Last changed
8 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.0.108, 8.5.63, 9.0.43
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • Version 10.0.0-milestone4
  • Version 10.0.0-milestone3
  • Version 10.0.0-milestone2
  • Version 10.0.0-milestone1
All 34 release lines
  • From 7.0.0 before 7.0.108
  • From 8.5.0 before 8.5.63
  • Version 9.0.0-milestone1
  • Version 9.0.0-milestone2
  • Version 9.0.0-milestone3
  • Version 9.0.0-milestone4
  • Version 9.0.0-milestone5
  • Version 9.0.0-milestone6
  • Version 9.0.0-milestone7
  • Version 9.0.0-milestone8
  • Version 9.0.0-milestone9
  • Version 9.0.0-milestone10
  • Version 9.0.0-milestone11
  • Version 9.0.0-milestone12
  • Version 9.0.0-milestone13
  • Version 9.0.0-milestone14
  • Version 9.0.0-milestone15
  • Version 9.0.0-milestone16
  • Version 9.0.0-milestone17
  • Version 9.0.0-milestone18
  • Version 9.0.0-milestone19
  • Version 9.0.0-milestone20
  • Version 9.0.0-milestone21
  • Version 9.0.0-milestone22
  • Version 9.0.0-milestone23
  • Version 9.0.0-milestone24
  • Version 9.0.0-milestone25
  • Version 9.0.0-milestone26
  • Version 9.0.0-milestone27
  • From 9.0.1 before 9.0.43
  • Version 10.0.0-milestone1
  • Version 10.0.0-milestone2
  • Version 10.0.0-milestone3
  • Version 10.0.0-milestone4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-9484
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-9484