High severity · published Oct 7, 2020
CVE-2020-13334
In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via…
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
8.6.0 before 13.2.10; 8.6.0 before 13.2.10; 13.3.0 before 13.3.7; 13.3.0 before 13.3.7; 13.4.0 before 13.4.2; 13.4.0 before 13.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13334
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13334
Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13334.json
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/195327
Permissions Required
https://hackerone.com/reports/762271
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