CVE-2014-2257 describes a denial-of-service vulnerability affecting Siemens SIMATIC S7-1500 CPU PLC devices with firmware versions prior to 1.5.0. Remote attackers can exploit this by sending specially crafted ISO-TSAP packets, causing the device to transition into a defect mode. This vulnerability has a CVSS score of 7.8, indicating high severity due to its network-based attack vector, low complexity, and complete availability impact. While no active exploitation or public exploit code is reported, and community discussion is minimal, the potential for a denial of service remains a concern for affected industrial control systems.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.1.2CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:*:*:*:*:*:*:*:* | ||
1.0.1CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.0.1:*:*:*:*:*:*:* | ||
1.1.0CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.1.0:*:*:*:*:*:*:* | ||
1.1.1CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.1.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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.