CVE-2021-27417 is a critical integer wraparound vulnerability affecting eCosCentric eCosPro RTOS versions 2.0.1 through 4.5.3. This flaw in the calloc function can lead to arbitrary memory allocation and a heap-based buffer overflow. With a CVSS score of 9.8, it is easily exploitable over the network with no user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is currently no public exploit code available, it is not listed in CISA's KEV catalog, and it has garnered minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.0.1, <= 4.5.3CPE matchmatch criteria | cpe:2.3:a:ecoscentric:ecospro:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:L/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.