Spring Security versions 5.1.x prior to 5.1.2 contain an authorization bypass vulnerability during JWT issuer validation. In order to be impacted, the same private key for an honest issuer and a malicious user must be used when signing JWTs. In that case, a malicious user could fashion signed JWTs with the malicious issuer URL that may be granted for the honest issuer.
Published 2018-12-19 22:29:01
Updated 2022-06-03 15:28:55
Source Dell
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-15801

0.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-15801

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:N
8.6
4.9
NIST
3.3
LOW CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
0.7
2.5
Dell
7.4
HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
2.2
5.2
NIST

CWE ids for CVE-2018-15801

References for CVE-2018-15801

Products affected by CVE-2018-15801

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