Information disclosure in Siemens Siprotec 4 En100
CVE-2016-4784
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; SIPROTEC 7SJ686 : All versions < V 4.83; SIPROTEC 7UT686 : All versions < V 4.01; SIPROTEC 7SD686 : All versions < V 4.03; SIPROTEC 7SJ66 : All versions < V 4.20. The integrated web server (port 80/tcp) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.027 (85.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Siemens Siprotec 4 En100
- Siemens Siprotec Compact Model 7rw80
- Siemens Siprotec Compact Model 7sd80
- Siemens Siprotec Compact Model 7sj80
- Siemens Siprotec Compact Model 7sj81
- Siemens Siprotec Compact Model 7sk80
- Siemens Siprotec Compact Model 7sk81
- Siemens Siprotec Compact Model En100
- Siemens Siprotec Firmware — versions 4.26
Weakness classification (CWE)
References
- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-547990.pdf (Vendor Advisory)
- ics-cert.us-cert.gov/advisories/ICSA-16-140-02 (US Government Resource, Third Party Advisory)
- www.siemens.com/cert/pool/cert/siemens_security_advisory_SSA-323211.pdf
- www.securityfocus.com/bid/90773 (vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-17-187-03
- www.securityfocus.com/bid/99471 (vdb-entry)
Frequently asked questions
- What is CVE-2016-4784?
- CVE-2016-4784 is a medium-severity vulnerability in Siemens Siprotec 4 En100, classified under Information Disclosure. CVSS score: 5.3/10. Published 2016-05-31.
- How severe is CVE-2016-4784?
- Medium severity. CVSS v3 base score is 5.3 out of 10.