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Vulnerability Details :

CVE-2021-39881

Summary
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At-05 Oct, 2021 | 13:40
Updated At-04 Aug, 2024 | 02:20
Rejected At-
Credits

In all versions of GitLab CE/EE since version 7.7, the application may let a malicious user create an OAuth client application with arbitrary scope names which may allow the malicious user to trick unsuspecting users to authorize the malicious client application using the spoofed scope name and description.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitLab
Assigner Org ID:ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At:05 Oct, 2021 | 13:40
Updated At:04 Aug, 2024 | 02:20
Rejected At:
▼CVE Numbering Authority (CNA)

In all versions of GitLab CE/EE since version 7.7, the application may let a malicious user create an OAuth client application with arbitrary scope names which may allow the malicious user to trick unsuspecting users to authorize the malicious client application using the spoofed scope name and description.

Affected Products
Vendor
GitLab Inc.GitLab
Product
GitLab
Versions
Affected
  • >=7.7, <14.1.7
  • >=14.2, <14.2.5
  • >=14.3, <14.3.1
Problem Types
TypeCWE IDDescription
textN/AInsufficient verification of data authenticity in GitLab
Type: text
CWE ID: N/A
Description: Insufficient verification of data authenticity in GitLab
Metrics
VersionBase scoreBase severityVector
3.13.5LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Version: 3.1
Base score: 3.5
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Thanks @executor for reporting this vulnerability through our HackerOne bug bounty program
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://gitlab.com/gitlab-org/gitlab/-/issues/26695
x_refsource_MISC
https://hackerone.com/reports/494530
x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39881.json
x_refsource_CONFIRM
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/26695
Resource:
x_refsource_MISC
Hyperlink: https://hackerone.com/reports/494530
Resource:
x_refsource_MISC
Hyperlink: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39881.json
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://gitlab.com/gitlab-org/gitlab/-/issues/26695
x_refsource_MISC
x_transferred
https://hackerone.com/reports/494530
x_refsource_MISC
x_transferred
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39881.json
x_refsource_CONFIRM
x_transferred
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/26695
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://hackerone.com/reports/494530
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39881.json
Resource:
x_refsource_CONFIRM
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@gitlab.com
Published At:05 Oct, 2021 | 14:15
Updated At:09 Oct, 2021 | 03:31

In all versions of GitLab CE/EE since version 7.7, the application may let a malicious user create an OAuth client application with arbitrary scope names which may allow the malicious user to trick unsuspecting users to authorize the malicious client application using the spoofed scope name and description.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.13.5LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Secondary3.13.5LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Primary2.03.5LOW
AV:N/AC:M/Au:S/C:N/I:P/A:N
Type: Primary
Version: 3.1
Base score: 3.5
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 3.5
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Type: Primary
Version: 2.0
Base score: 3.5
Base severity: LOW
Vector:
AV:N/AC:M/Au:S/C:N/I:P/A:N
CPE Matches

GitLab Inc.
gitlab
>>gitlab>>Versions from 7.7.0(inclusive) to 14.1.7(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 7.7.0(inclusive) to 14.1.7(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 14.2.0(inclusive) to 14.2.5(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 14.2.0(inclusive) to 14.2.5(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 14.3.0(inclusive) to 14.3.1(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 14.3.0(inclusive) to 14.3.1(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39881.jsoncve@gitlab.com
Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/26695cve@gitlab.com
Broken Link
https://hackerone.com/reports/494530cve@gitlab.com
Permissions Required
Third Party Advisory
Hyperlink: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39881.json
Source: cve@gitlab.com
Resource:
Vendor Advisory
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/26695
Source: cve@gitlab.com
Resource:
Broken Link
Hyperlink: https://hackerone.com/reports/494530
Source: cve@gitlab.com
Resource:
Permissions Required
Third Party Advisory

Change History

0
Information is not available yet

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Matching Score-8
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||
7 Day CHG~0.00%
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Updated-03 Aug, 2024 | 18:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-GitLab Inc.
Product-gitlabGitLab
CWE ID-CWE-863
Incorrect Authorization
CVE-2021-22238
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-6.8||MEDIUM
EPSS-1.97% / 82.79%
||
7 Day CHG~0.00%
Published-20 Aug, 2021 | 17:39
Updated-03 Aug, 2024 | 18:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-GitLab Inc.
Product-gitlabGitLab
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-22183
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-4.1||MEDIUM
EPSS-0.18% / 39.35%
||
7 Day CHG~0.00%
Published-04 Mar, 2021 | 14:56
Updated-03 Aug, 2024 | 18:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-GitLab Inc.
Product-gitlabGitLab
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-22242
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-8.7||HIGH
EPSS-4.11% / 88.15%
||
7 Day CHG~0.00%
Published-25 Aug, 2021 | 18:38
Updated-03 Aug, 2024 | 18:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Insufficient input sanitization in Mermaid markdown in GitLab CE/EE version 11.4 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

Action-Not Available
Vendor-GitLab Inc.
Product-gitlabGitLab
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-22196
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-6.3||MEDIUM
EPSS-0.19% / 41.19%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 16:14
Updated-21 Aug, 2024 | 14:07
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.

Action-Not Available
Vendor-GitLab Inc.
Product-gitlabGitLab
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-22220
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-6.1||MEDIUM
EPSS-0.15% / 36.15%
||
7 Day CHG~0.00%
Published-08 Jun, 2021 | 19:05
Updated-03 Aug, 2024 | 18:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue has been discovered in GitLab affecting all versions starting with 13.10. GitLab was vulnerable to a stored XSS in blob viewer of notebooks.

Action-Not Available
Vendor-GitLab Inc.
Product-gitlabGitLab
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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