CVE-2020-13321

A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added.

CVSS v3.0 8.3 HIGH
CVSS v2.0 6.5 MEDIUM

8.3^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13321.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/25751	Exploit Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab::::::::
	cpe:2.3:a:gitlab:gitlab::::::::
	cpe:2.3:a:gitlab:gitlab::::::::

Information

Published : 2020-09-30 11:15

Updated : 2020-10-02 10:33

NVD link : CVE-2020-13321

Mitre link : CVE-2020-13321

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

gitlab

gitlab

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13321.json", "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13321.json", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/25751", "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/25751", "tags": ["Exploit", "Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-13321", "ASSIGNER": "cve@gitlab.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.5, "exploitabilityScore": 2.8}}, "publishedDate": "2020-09-30T18:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "12.10.13"}, {"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "13.0.8", "versionStartIncluding": "13.0.0"}, {"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "13.1.2", "versionStartIncluding": "13.1.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-10-02T17:33Z"}