CVE-2021-41106 describes a vulnerability in the lcobucci/jwt library affecting versions prior to 3.4.6, 4.0.4, and 4.1.5. When using HMAC-based algorithms with Lcobucci\JWT\Signer\Key\LocalFileReference, the library incorrectly used the file path instead of the file's contents as the hashing key, leading to improper token issuance and validation. This vulnerability has a low severity CVSS score of 3.3, indicating a local attack vector with low complexity and a limited impact on integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.4.0, < 3.4.6CPE matchmatch criteria | cpe:2.3:a:lcobucci:jwt:*:*:*:*:*:*:*:* | ||
>= 4.0.0, < 4.0.4CPE matchmatch criteria | cpe:2.3:a:lcobucci:jwt:*:*:*:*:*:*:*:* | ||
>= 4.1.0, < 4.1.5CPE matchmatch criteria | cpe:2.3:a:lcobucci:jwt:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.