CVE-2021-21339 - CVE House

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Status published Medium CVE-2021-21339

Cleartext storage of session identifier

5.9 CVSS

Vulnerability 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 user session identifiers were stored in cleartext - without processing of 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. This is fixed in versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from TYPO3

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Command Injection in extension "TYPO3 Backup Plus" (ns_backup)

Insecure Direct Object Reference in extension "femanager" (femanager)

Insecure Direct Object Reference in extension "powermail" (powermail)

TYPO3 CMS Allows Broken Access Control in Recycler Module

TYPO3 CMS Allows Broken Access Control in Redirects Module

Affected Vendor

TYPO3

View all reports →

Affected Software

TYPO3.CMS

Vulnerable Versions:

>= 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

Timeline

Official Publish: March 23rd, 2021

Last Modified: August 3rd, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1005 Data from Local System

T1552 Unsecured Credentials

Credential Access

T1530 Data from Cloud Storage

T1078 Valid Accounts

T1041 Exfiltration Over C2 Channel