GitHub Enterprise Server up to 2.18.19/2.19.14/2.20.8 API improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability has been found in GitHub Enterprise Server up to 2.18.19/2.19.14/2.20.8 (Bug Tracking Software) and classified as critical. This vulnerability affects an unknown code of the component API. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An improper access control vulnerability was identified in the GitHub Enterprise Server API that allowed an organization member to escalate permissions and gain access to unauthorized repositories within an organization. This vulnerability affected all versions of GitHub Enterprise Server prior to 2.21 and was fixed in 2.20.9, 2.19.15, and 2.18.20. This vulnerability was reported via the GitHub Bug Bounty program.

The weakness was disclosed 06/03/2020. This vulnerability was named CVE-2020-10516 since 03/12/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading to version 2.18.20, 2.19.15 or 2.20.9 eliminates this vulnerability.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
ATT&CK: T1548.002

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise Server 2.18.20/2.19.15/2.20.9

Timelineinfo

03/12/2020 🔍
06/03/2020 +83 days 🔍
06/04/2020 +1 days 🔍
06/04/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-10516 (🔍)

Entryinfo

Created: 06/04/2020 09:36
Updated: 06/04/2020 09:41
Changes: 06/04/2020 09:36 (37), 06/04/2020 09:41 (18)
Complete: 🔍

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