GitHub Community Edition/Enterprise Edition 11.0 2FA improper authentication

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in GitHub Community Edition and Enterprise Edition 11.0 and classified as critical. This affects an unknown function of the component 2FA. Executing a manipulation can lead to improper authentication. This vulnerability is handled as CVE-2021-39874. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in GitHub Community Edition and Enterprise Edition 11.0 (Bug Tracking Software). It has been declared as critical. This vulnerability affects an unknown code of the component 2FA. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality.

The weakness was released 10/05/2021 as 22252. The advisory is shared for download at gitlab.com. This vulnerability was named CVE-2021-39874 since 08/23/2021. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
10/05/2021 +43 days 🔍
10/05/2021 +0 days 🔍
10/08/2021 +3 days 🔍

Sourcesinfo

Advisory: 22252
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-39874 (🔍)
GCVE (CVE): GCVE-0-2021-39874
GCVE (VulDB): GCVE-100-183796

Entryinfo

Created: 10/05/2021 08:03
Updated: 10/08/2021 20:47
Changes: 10/05/2021 08:03 (50), 10/08/2021 20:47 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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