CVE-2019-13946 is a denial-of-service vulnerability affecting Siemens devices utilizing Profinet-IO (PNIO) stack versions prior to V06.00. The flaw stems from insufficient resource allocation limits when handling multiple diagnostic package requests via the DCE-RPC interface, leading to memory exhaustion. Rated 7.5 HIGH on CVSS, this vulnerability can be exploited remotely by an unauthenticated attacker with no user interaction, potentially compromising device availability. While no public exploit code or active exploitation is reported, it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:siemens:dk_standard_ethernet_controller:*:*:*:*:*:*:*:* | ||
< 2.1CPE matchmatch criteria | cpe:2.3:a:siemens:profinet_driver:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:siemens:simatic_ipc_support:*:*:*:*:*:*:*:* | ||
< 4.5CPE matchmatch criteria | cpe:2.3:o:siemens:ek-ertec_200_firmware:*:*:*:*:*:*:*:* | ||
< 4.6CPE matchmatch criteria | cpe:2.3:o:siemens:ek-ertec_200p_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.
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.