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CVE-2017-12741

25
FAUCET Score

CVE-2017-12741 describes a denial-of-service vulnerability affecting various Siemens industrial products. An unauthenticated attacker can trigger this condition by sending specially crafted packets to UDP port 161, requiring manual device restart for recovery. This vulnerability carries a CVSS v3 score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability. While there is no known public exploit code or active exploitation, the vulnerability has garnered significant community discussion and media coverage, suggesting a recognized risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.03.01CPE matchmatch criteria
cpe:2.3:o:siemens:simatic_s7-200_firmware:*:*:*:*:*:*:*:*
< 6.0.6CPE matchmatch criteria
cpe:2.3:o:siemens:simatic_s7-400pn_v6_firmware:*:*:*:*:*:*:*:*
< 6.0.8CPE matchmatch criteria
cpe:2.3:o:siemens:simatic_s7-400h_v6_firmware:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:siemens:simatic_s7-400pn\/dp_v7_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:siemens:simatic_s7-410_v8_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.7HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
3.31%
Probability of exploitation in next 30 days
EPSS Percentile
87.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0331 is in the 77th percentile among its peer group of 51,551 CVEs.

Social Chatter

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.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-portal.siemens.com / productcert/html/ssa-141614.html
cert-portal.siemens.com / productcert/html/ssa-346262.html
cert-portal.siemens.com / productcert/html/ssa-546832.html
cert-portal.siemens.com / productcert/pdf/ssa-141614.pdf
cert-portal.siemens.com / productcert/pdf/ssa-346262.pdf
cert-portal.siemens.com / productcert/pdf/ssa-546832.pdf
securityfocus.com / bid/101964