Vulnerability Details : CVE-2020-11067
In TYPO3 CMS 9.0.0 through 9.5.16 and 10.0.0 through 10.4.1, it has been discovered that backend user settings (in $BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnerabilities of third party components, this can lead to remote code execution. A valid backend user account is needed to exploit this vulnerability. This has been fixed in 9.5.17 and 10.4.2.
Vulnerability category: Execute code
Products affected by CVE-2020-11067
- cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11067
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11067
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.0
|
MEDIUM | AV:N/AC:M/Au:S/C:P/I:P/A:P |
6.8
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
GitHub, Inc. |
CWE ids for CVE-2020-11067
-
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2020-11067
-
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2wj9-434x-9hvp
Insecure Deserialization in Backend User Settings · Advisory · TYPO3/TYPO3.CMS · GitHubThird Party Advisory
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