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CVE-2021-39938

Date: December 13, 2021

A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands

Severity Score

Related Resources (5)

https://gitlab.com/gitlab-org/gitlab/-/issues/344873
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.json
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-39938
https://nvd.nist.gov/vuln/detail/CVE-2021-39938
https://www.mend.io/vulnerability-database/CVE-2021-39938

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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