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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (50.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
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
- github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-954j-f27r-cj52 (Third Party Advisory)
- typo3.org/security/advisory/typo3-core-sa-2020-011 (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.