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Vulnerability · Published Mar 23, 2021 · Assigned by GitHub_M

CVE-2021-21338Open Redirection in Login Handling

Medium 4.7

In plain English

A medium-severity open redirect in TYPO3.CMS from TYPO3. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)1.1%top 34.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that Login Handling is susceptible to open redirection which allows attackers redirecting to arbitrary content, and conducting phishing attacks. No authentication is required in order to exploit this vulnerability. This is fixed in versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagisttypo3/cms10.4.14GHSA-4jhw-2p6j-5wmp
Packagisttypo3/cms11.1.1GHSA-4jhw-2p6j-5wmp
Packagisttypo3/cms9.5.25GHSA-4jhw-2p6j-5wmp
Packagisttypo3/cms-core10.4.14GHSA-4jhw-2p6j-5wmp
Packagisttypo3/cms-core6.2.57GHSA-4jhw-2p6j-5wmp
Packagisttypo3/cms-core9.5.25GHSA-4jhw-2p6j-5wmp
Packagisttypo3/cms-core11.1.1GHSA-4jhw-2p6j-5wmp
Packagisttypo3/cms-core7.6.51GHSA-4jhw-2p6j-5wmp
Packagisttypo3/cms-core8.7.40GHSA-4jhw-2p6j-5wmp

Affected products (as reported)

VendorProductVersions
TYPO3 TYPO3.CMS >= 6.2.0, <= 6.2.56>= 7.0.0, <= 7.6.50>= 8.0.0, <= 8.7.39>= 9.0.0, <= 9.5.24>= 10.0.0, <= 10.4.13>= 11.0.0, <= 11.1.0

Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

References