CVE-2021-42774 is a critical buffer overflow vulnerability affecting Broadcom Emulex HBA Manager/One Command Manager versions prior to 11.4.425.0 and 12.8.542.31, specifically when not configured for Strictly Local Management. This vulnerability allows remote, unauthenticated attackers to execute arbitrary code or cause denial of service due to its presence in the remote firmware download feature. With a CVSS score of 9.8, it poses a severe risk, enabling complete compromise of confidentiality, integrity, and availability. Despite its critical severity, there is currently no public exploit code available, and it has not been observed in active exploitation, nor has it garnered significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 11.0.0, < 11.4.425.0CPE matchmatch criteria | cpe:2.3:a:broadcom:emulex_hba_manager:*:*:*:*:*:*:*:* | ||
>= 12.0.0, < 12.8.542.31CPE matchmatch criteria | cpe:2.3:a:broadcom:emulex_hba_manager:*:*:*:*:*:*:*:* |
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.