CVE-2020-17438 describes a critical vulnerability in uIP 1.0, affecting Contiki 3.0 and other products, where improper validation of IP header length and fragmentation offset in reassembled packets allows attackers to write past a buffer into the .bss section. This flaw, rated 9.8 CVSS (Critical), enables unauthenticated remote attackers to cause denial of service or potentially execute arbitrary code with low attack complexity. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0CPE matchmatch criteria | cpe:2.3:a:uip_project:uip:1.0:*:*:*:*:*:*:* |
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.