CVE-2014-2254 is a denial-of-service vulnerability affecting Siemens SIMATIC S7-1200 CPU PLC devices running firmware versions prior to 4.0. Remote attackers can trigger a defect-mode transition by sending specially crafted HTTP packets to the affected devices. This vulnerability has a high severity CVSS score of 7.8, indicating it can be exploited remotely with low complexity and lead to a complete loss of availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, organizations using affected Siemens PLCs should prioritize patching to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.0.2CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:3.0:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:h:siemens:simatic_s7_cpu-1211c:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:h:siemens:simatic_s7_cpu_1212c:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:h:siemens:simatic_s7_cpu_1214c:-:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
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.