Vulnerability in Siemens Siprotec 4
CVE-2015-5374
A vulnerability has been identified in Firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions < V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions < V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions < V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions < 1.02.02. Specially crafted packets sent to port 50000/UDP could cause a denial-of-service of the affected device. A manual reboot may be required to recover the service of the device.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.745 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.745 · newest: 0.745 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.siemens.com/cert/pool/cert/siemens_security_advisory_SSA-323211.pdf
- www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_s… (Patch, Vendor Advisory)
- www.exploit-db.com/exploits/44103/ (exploit)
- ics-cert.us-cert.gov/advisories/ICSA-15-202-01
- ics-cert.us-cert.gov/advisories/ICSA-17-187-03
- www.securityfocus.com/bid/75948 (vdb-entry)
Frequently asked questions
- What is CVE-2015-5374?
- CVE-2015-5374 is a vulnerability in Siemens Siprotec 4, classified under CWE-19. Published 2015-07-18.
- Is CVE-2015-5374 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.