Vulnerability in Typo3
CVE-2020-26228
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 9.5.23 and 10.4.10 user session identifiers were stored in cleartext - without processing with additional cryptographic hashing algorithms. This vulnerability cannot be exploited directly and occurs in combination with a chained attack - like for instance SQL injection in any other component of the system. Update to TYPO3 versions 9.5.23 or 10.4.10 that fix the problem described.
EPSS: 0.007 (48.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Typo3
- Typo3 Typo3.cms — versions >= 9.0.0, < 9.5.23, >= 10.0.0, < 10.4.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-26228?
- CVE-2020-26228 is a high-severity vulnerability in Typo3, classified under Cleartext Storage of Sensitive Information. CVSS score: 8.1/10. Published 2020-11-23.
- How severe is CVE-2020-26228?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2020-26228 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.