All vulnerabilities

Servers and applications

CVE-2020-15098

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, it has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic message authentication code (HMAC-SHA1) and can lead to various attack chains including potential…

Severity
High 8.8
Published
29 Jul 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.5.20, 10.4.6
Sources
NVD

Affected software

SoftwareAffected versions
TYPO3Servers and applications · cpe:a:typo3:typo3
  • From 9.0.0 before 9.5.20
  • From 10.0.0 before 10.4.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-15098
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-15098