TYPO3 up to 8.7.39/9.5.24/10.4.13/11.1.0 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
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in TYPO3 up to 8.7.39/9.5.24/10.4.13/11.1.0. This issue affects some unknown processing. This manipulation causes unrestricted upload. This vulnerability is handled as CVE-2021-21355. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been 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 vulnerability is an unknown functionality. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 03/23/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-21355. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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-2021-21355 (🔍)
GCVE (CVE): GCVE-0-2021-21355
GCVE (VulDB): GCVE-100-171571

Entryinfo

Created: 03/23/2021 09:05
Updated: 04/03/2021 21:05
Changes: 03/23/2021 09:05 (38), 04/03/2021 21:02 (5), 04/03/2021 21:05 (8)
Complete: 🔍
Cache ID: 216::103

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