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GoogleOSV:BIT-GITLAB-2021-39890

HistoryMar 06, 2024 - 11:18 a.m.

BIT-gitlab-2021-39890

2024-03-0611:18:21

Google

osv.dev

gitlab

ldap

2fa

bypass

vulnerability

basic authentication

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

6.6 Medium

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

59.7%

JSON

It was possible to bypass 2FA for LDAP users and access some specific pages with Basic Authentication in GitLab 14.1.1 and above.

CPENameOperatorVersion
gitlabge14.2.0
gitlable14.3.1
gitlabge14.1.1
gitlabge14.3.0
gitlablt14.1.7
gitlablt14.2.5
gitlabge14.3.1
gitlable14.3.0

Name	Operator	Version
gitlab	ge	14.2.0
gitlab	le	14.3.1
gitlab	ge	14.1.1
gitlab	ge	14.3.0
gitlab	lt	14.1.7
gitlab	lt	14.2.5
gitlab	ge	14.3.1
gitlab	le	14.3.0

References

gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39890.json

gitlab.com/gitlab-org/gitlab/-/issues/341522

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

6.6 Medium

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

59.7%

JSON

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