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CVE-2021-22254

Date: August 20, 2021

Under very specific conditions a user could be impersonated using Gitlab shell. This vulnerability affects GitLab CE/EE 13.1 and later through 14.1.2, 14.0.7 and 13.12.9.

Language: Ruby

Severity Score

Related Resources (6)

https://gitlab.com/gitlab-org/gitlab/-/issues/300265
https://nvd.nist.gov/vuln/detail/CVE-2021-22254
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-22254
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22254.json
https://hackerone.com/reports/1087806
https://www.mend.io/vulnerability-database/CVE-2021-22254

Severity Score

Weakness Type (CWE)

Improper Encoding or Escaping of Output

CWE-116

CVSS v3.1

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

CVSS v2

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

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