CVE-2015-2951 describes a signature verification bypass vulnerability in JWT.php within F21 JWT versions prior to 2.0. This flaw allows remote attackers to craft malicious JSON Web Tokens (JWTs) that bypass intended signature checks. With a CVSS score of 5.0, this vulnerability has a low attack complexity and requires no authentication, potentially leading to unauthorized data modification (integrity impact). While no public exploits, Metasploit modules, or Nuclei templates are available, and there is no evidence of active exploitation or significant community discussion, organizations using affected F21 JWT versions should update to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.0CPE matchmatch criteria | cpe:2.3:a:f21:jwt:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:N
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