CVE-2023-31580

low-risk

Published 2023-10-25

light-oauth2 before version 2.1.27 obtains the public key without any verification. This could allow attackers to authenticate to the application with a crafted JWT token.

Do I need to act?

0.17% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.9/10 Medium

NETWORK / HIGH complexity

Affected Products (1)

Light-Oauth2

Affected Vendors

Networknt

References (4)

Exploit https://github.com/KANIXB/JWTIssues/blob/main/Certification%20Verification%20iss...

Issue Tracking https://github.com/networknt/light-oauth2/issues/369

Exploit https://github.com/KANIXB/JWTIssues/blob/main/Certification%20Verification%20iss...

Issue Tracking https://github.com/networknt/light-oauth2/issues/369

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal