High severity · published Jul 25, 2019
CVE-2019-13483
Auth0 Passport-SharePoint before 0.4.0 does not validate the JWT signature of an Access Token before processing
7.3
CVSS
0.6%
EPSS
No
On KEV
Description
Auth0 Passport-SharePoint before 0.4.0 does not validate the JWT signature of an Access Token before processing. This allows attackers to forge tokens and bypass authentication and authorization mechanisms.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
Passport-sharepoint · Auth0
before 0.4.0 · source: NVD