Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / packagist/typo3/cms/CVE-2021-21339
Advisory ID gitlab/packagist/typo3/cms/CVE-2021-21339
Aliases CVE-2021-21339
GHSA-qx3w-4864-94ch
Summary Cleartext Storage of Sensitive Information User session identifiers are stored in cleartext - without processing of additional cryptographic hashing algorithms. This vulnerability cannot be exploited directly and occurs in combination with a chained attack - for example SQL injection in any other component of the system.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (3)
CWE-312 Cleartext Storage of Sensitive Information
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv2 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/typo3/cms/CVE-2021-21339.yml
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/typo3/cms/CVE-2021-21339.yml
Reference id Reference type URL
https://typo3.org/security/advisory/typo3-core-sa-2021-006
CVE-2021-21339 https://nvd.nist.gov/vuln/detail/CVE-2021-21339
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/typo3/cms/CVE-2021-21339.yml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/typo3/cms/CVE-2021-21339.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.