5.3

CVE-2020-28042

Exploit
ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Servicestack ≫ Servicestack Version < 5.9.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.33% 0.813
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
CWE-347 Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

https://forums.servicestack.net/t/servicestack-v5-9-2-released/8850
Vendor Advisory
Release Notes
https://github.com/ServiceStack/ServiceStack/commit/540d4060e877a03ae95343c1a8560a26768585ee
Patch
Third Party Advisory
https://www.shielder.it/advisories/servicestack-jwt-signature-verification-bypass/
Third Party Advisory
Exploit
https://www.shielder.it/blog/2020/11/re-discovering-a-jwt-authentication-bypass-in-servicestack/
Third Party Advisory
Exploit