CVE-2017-18239 is a critical vulnerability affecting authentikat-jwt (com.jason-goodwin/authentikat-jwt) versions 0.4.5 and earlier, where a time-sensitive equality check in the JWT signature validation allows attackers to guess the signature bit by bit. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to full compromise of confidentiality, integrity, and availability. Despite its severity, there is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.4.5CPE matchmatch criteria | cpe:2.3:a:authentikat-jwt_project:authentikat-jwt:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.