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[email protected]CVE-2021-39890

HistoryDec 06, 2021 - 6:15 p.m.

CVE-2021-39890

2021-12-0618:15:08

CWE-287

[email protected]

web.nvd.nist.gov

cve-2021-39890

2fa bypass

ldap

gitlab

basic authentication

nvd

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

9.2 High

AI Score

Confidence

High

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.

Affected configurations

NVD

Node

gitlabgitlabRange14.1.1–14.1.7

gitlabgitlabRange14.2.0–14.2.5

gitlabgitlabMatch14.3.0community

gitlabgitlabMatch14.3.0enterprise

gitlabgitlabMatch14.3.1community

gitlabgitlabMatch14.3.1enterprise

CPENameOperatorVersion
gitlab:gitlabgitlablt14.1.7
gitlab:gitlabgitlablt14.2.5
gitlab:gitlabgitlabeq14.3.0
gitlab:gitlabgitlabeq14.3.1

CPE	Name	Operator	Version
gitlab:gitlab	gitlab	lt	14.1.7
gitlab:gitlab	gitlab	lt	14.2.5
gitlab:gitlab	gitlab	eq	14.3.0
gitlab:gitlab	gitlab	eq	14.3.1

CNA Affected

[
  {
    "product": "GitLab",
    "vendor": "GitLab",
    "versions": [
      {
        "status": "affected",
        "version": ">=14.3, <14.3.1"
      },
      {
        "status": "affected",
        "version": ">=14.2, <14.2.5"
      },
      {
        "status": "affected",
        "version": ">=14.1.1, <14.1.7"
      }
    ]
  }
]