CVE-2021-4314 is a medium-severity vulnerability affecting Linux Foundation's Zowe API Mediation Layer versions 1.16 to 1.19. It allows an unauthenticated attacker to manipulate JSON Web Tokens (JWTs) without knowing the secret, enabling authentication as any user to southbound services. This issue arises when z/OSMF lacks APAR PH12143. The vulnerability has a CVSS score of 5.3, indicating a network-based attack with low complexity and a potential impact of unauthorized information access. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.16.0, < 1.19.0CPE matchmatch criteria | cpe:2.3:a:linuxfoundation:zowe_api_mediation_layer:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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 0.4 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.
Remediation records are not available for this CVE.