Medium severity · published Aug 27, 2020
CVE-2020-10517
An improper access control vulnerability was identified in GitHub Enterprise Server that allowed authenticated users of the instance to determine the names of unauthorized private…
4.3
CVSS
1%
EPSS
No
On KEV
Description
An improper access control vulnerability was identified in GitHub Enterprise Server that allowed authenticated users of the instance to determine the names of unauthorized private repositories given their numerical IDs. This vulnerability did not allow unauthorized access to any repository content besides the name. This vulnerability affected all versions of GitHub Enterprise Server prior to 2.22 and was fixed in versions 2.21.6, 2.20.15, and 2.19.21. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
Github · Github
before 2.19.21; 2.20.0 before 2.20.15; 2.21.0 before 2.21.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10517
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10517
Release Notes
https://enterprise.github.com/releases/2.19.21/notes
Release Notes
https://enterprise.github.com/releases/2.20.15/notes
Release Notes
https://enterprise.github.com/releases/2.21.6/notes
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