TYPO3 up to 8.7.39/9.5.24/10.4.13/11.1.0 Form Designer Backend Module unrestricted upload

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability was found in TYPO3 up to 8.7.39/9.5.24/10.4.13/11.1.0 (Content Management System) and classified as critical. Affected by this issue is some unknown functionality of the component Form Designer Backend Module. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 03/23/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-21357. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1608.002.

Upgrading to version 8.7.40, 9.5.25, 10.4.14 or 11.1.1 eliminates this vulnerability.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
ATT&CK: T1608.002

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TYPO3 8.7.40/9.5.25/10.4.14/11.1.1

Timelineinfo

12/22/2020 🔍
03/23/2021 +91 days 🔍
03/23/2021 +0 days 🔍
04/03/2021 +11 days 🔍

Sourcesinfo

Product: typo3.org

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-21357 (🔍)

Entryinfo

Created: 03/23/2021 09:22
Updated: 04/03/2021 21:14
Changes: 03/23/2021 09:22 (39), 04/03/2021 21:10 (5), 04/03/2021 21:14 (8)
Complete: 🔍

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