7.5
HIGH CVSS 3.1
CVE-2023-6847
Improper Authentication in GitHub Enterprise Server leading to Authentication Bypass for Public Repository Data
Description

An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed a bypass of Private Mode by using a specially crafted API request. To exploit this vulnerability, an attacker would need network access to the Enterprise Server appliance configured in Private Mode. This vulnerability affected all versions of GitHub Enterprise Server since 3.9 and was fixed in version 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.

INFO

Published Date :

Dec. 21, 2023, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 8:44 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2023-6847 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Github enterprise_server
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-6847 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-6847 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-6847 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://docs.github.com/en/[email protected]/admin/release-notes#3.10.4
    Added Reference https://docs.github.com/en/[email protected]/admin/release-notes#3.11.1
    Added Reference https://docs.github.com/en/[email protected]/admin/release-notes#3.9.7
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 29, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type https://docs.github.com/en/[email protected]/admin/release-notes#3.10.4 No Types Assigned https://docs.github.com/en/[email protected]/admin/release-notes#3.10.4 Release Notes
    Changed Reference Type https://docs.github.com/en/[email protected]/admin/release-notes#3.11.1 No Types Assigned https://docs.github.com/en/[email protected]/admin/release-notes#3.11.1 Release Notes
    Changed Reference Type https://docs.github.com/en/[email protected]/admin/release-notes#3.9.7 No Types Assigned https://docs.github.com/en/[email protected]/admin/release-notes#3.9.7 Release Notes
    Added CWE NIST CWE-287
    Added CPE Configuration OR *cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:* versions from (including) 3.9.0 up to (excluding) 3.9.7 *cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:* versions from (including) 3.10.0 up to (excluding) 3.10.4 *cpe:2.3:a:github:enterprise_server:3.11.0:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Dec. 21, 2023

    Action Type Old Value New Value
    Added Description An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed a bypass of Private Mode by using a specially crafted API request. To exploit this vulnerability, an attacker would need network access to the Enterprise Server appliance configured in Private Mode. This vulnerability affected all versions of GitHub Enterprise Server since 3.9 and was fixed in version 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.
    Added Reference GitHub, Inc. (Products Only) https://docs.github.com/en/[email protected]/admin/release-notes#3.9.7 [No types assigned]
    Added Reference GitHub, Inc. (Products Only) https://docs.github.com/en/[email protected]/admin/release-notes#3.10.4 [No types assigned]
    Added Reference GitHub, Inc. (Products Only) https://docs.github.com/en/[email protected]/admin/release-notes#3.11.1 [No types assigned]
    Added CWE GitHub, Inc. (Products Only) CWE-287
    Added CVSS V3.1 GitHub, Inc. (Products Only) AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.12 }} 0.03%

score

0.31587

percentile