Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-6xp6-fmc8-pmmr
Advisory ID github_osv/GHSA-6xp6-fmc8-pmmr
Aliases CVE-2021-20202
Summary Temporary Directory Hijacking Vulnerability in Keycloak A flaw was found in keycloak. Directories can be created prior to the Java process creating them in the temporary directory, but with wider user permissions, allowing the attacker to have access to the contents that keycloak stores in this directory. The highest threat from this vulnerability is to data confidentiality and integrity.
Status Published
Exploitability 0.5
Weighted Severity 6.6
Risk 3.3
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-377 Insecure Temporary File
System Score Found at
cvssv3.1 7.3 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/03/GHSA-6xp6-fmc8-pmmr/GHSA-6xp6-fmc8-pmmr.json
generic_textual HIGH
Reference id Reference type URL
https://bugzilla.redhat.com/show_bug.cgi?id=1922128
https://github.com/JLLeitschuh/security-research/security/advisories/GHSA-7gf3-89f6-823j
https://issues.redhat.com/browse/KEYCLOAK-17000
CVE-2021-20202 https://nvd.nist.gov/vuln/detail/CVE-2021-20202
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/03/GHSA-6xp6-fmc8-pmmr/GHSA-6xp6-fmc8-pmmr.json
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.