CVE-2021-27797 is a critical vulnerability affecting Brocade Fabric OS versions prior to 8.2.1c, 8.1.2h, and all versions of 8.0.x and 7.x. It stems from documented hard-coded credentials, allowing unauthorized access to the system. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the inherent risk from hard-coded credentials remains high.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.0.0, <= 7.4.2hCPE matchmatch criteria | cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* | ||
>= 8.0.0, <= 8.0.2fCPE matchmatch criteria | cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* | ||
>= 8.1.2, < 8.1.2hCPE matchmatch criteria | cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* | ||
>= 8.2.1, < 8.2.1cCPE matchmatch criteria | cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.
Remediation records are not available for this CVE.