CVE-2021-27425 is a critical integer wrap-around vulnerability affecting Cesanta Software Mongoose-OS v2.17.0 in the mm_malloc function. This flaw allows for improper memory assignment, potentially leading to arbitrary memory allocation, system crashes, or remote code execution. With a CVSS score of 9.8 (CRITICAL), it can be exploited remotely with low complexity and no user interaction, resulting in high impact to confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.17.0CPE matchmatch criteria | cpe:2.3:o:cesanta:mongoose_os:2.17.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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.