CVE-2021-20988 is a denial-of-service vulnerability affecting Hilscher rcX RTOS versions prior to V2.1.14.1, and also impacts Pepperl-Fuchs products utilizing this RTOS. The vulnerability stems from the system's failure to validate the actual UDP packet length against the length indicated in the packet. With a CVSS score of 7.5 (High), this flaw can be exploited remotely over the network with low attack complexity, leading to a complete denial of service. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.1.14.1CPE matchmatch criteria | cpe:2.3:a:hilscher:rcx_rtos:*:*:*:*:*:*:*:* | ||
<= f10017CPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:ice1-16di-g60l-v1d_firmware:*:*:*:*:*:*:*:* | ||
<= f10017CPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:ice1-16dio-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:* | ||
<= f10017CPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:ice1-16dio-g60l-v1d_firmware:*:*:*:*:*:*:*:* | ||
<= f10017CPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:ice1-8di8do-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.