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CVE-2020-11066

HIGH
Published 2020-05-13T23:15:12
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Expert Analysis

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CVSS Score

V3.1
8.7
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.005
probability
of exploitation in the wild

There is a 0.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.662
Higher than 66.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

Description

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.17 and greater than or equal to 10.0.0 and less than 10.4.2, calling unserialize() on malicious user-submitted content can lead to modification of dynamically-determined object attributes and result in triggering deletion of an arbitrary directory in the file system, if it is writable for the web server. It can also trigger message submission via email using the identity of the web site (mail relay). Another insecure deserialization vulnerability is required to actually exploit mentioned aspects. This has been fixed in 9.5.17 and 10.4.2.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

TYPO3

TYPO3 CMS

Affected Versions:

>= 9.0.0, < 9.5.17 >= 10.0.0, < 10.4.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Class destructors causing side-effects when being unserialized in TYPO3 CMS

GHSA-2rxh-h6h9-qrqc

Advisory Details

Calling unserialize() on malicious user-submitted content can result in the following scenarios: - trigger deletion of arbitrary directory in file system (if writable for web server) - trigger message submission via email using identity of web site (mail relay) Another insecure deserialization vulnerability is required to actually exploit mentioned aspects. Update to TYPO3 versions 9.5.17 or 10.4.2 that fix the problem described. ### References * https://typo3.org/security/advisory/typo3-core-sa-2020-004

Affected Packages

Packagist typo3/cms-core
ECOSYSTEM: ≥9.0.0 <9.5.17
Packagist typo3/cms-core
ECOSYSTEM: ≥10.0.0 <10.4.2
Packagist typo3/cms
ECOSYSTEM: ≥10.0.0 <10.4.2
Packagist typo3/cms
ECOSYSTEM: ≥9.0.0 <9.5.17

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

WEB https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2rxh-h6h9-qrqc
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-11066
WEB https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-11066.yaml
WEB https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-11066.yaml
WEB https://typo3.org/security/advisory/typo3-core-sa-2020-004

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2020, Modified: January 8, 2021

References

https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2rxh-h6h9-qrqc
Published: 2020-05-13T23:15:12
Last Modified: 2024-08-04T11:21:14.635Z
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