Description
The Authentication component in TYPO3 6.2.0 before 6.2.3 does not properly invalidate timed out user sessions, which allows remote attackers to bypass authentication via unspecified vectors.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | typo3-src | 4.5.19+dfsg1-5+wheezy3 | DSA-2942-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | typo3/cms | >= 6.2.0, < 6.2.3 | 6.2.3 | GHSA-9j8h-xrgj-7gw2 |
Advisories 1
- DSA-2942-1 typo3-src - security update Debian Security (DSA / DLA) · Mar 9, 2026