Vulnerability Monitor

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CVE-2016-7090

The integrated web server on Siemens SCALANCE M-800 and S615 modules with firmware before 4.02 does not set the secure flag for the session cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.0, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, for affected systems. Impacting 4 products from siemens, from siemens, from siemens and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-09-29T10:59:03.893

Last Modified

2026-06-17T00:52:34.517

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 4.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	siemens	scalance_m-800_firmware	≤ 4.01	Yes
Hardware	siemens	scalance_m-800	-	No
Operating System	siemens	scalance_s615_firmware	≤ 4.01	Yes
Hardware	siemens	scalance_s615	-	No

References

http://www.securityfocus.com/bid/93115 ([email protected])
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-342135.pdf Vendor Advisory ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-16-271-01 Third Party Advisory, US Government Resource ([email protected])
http://www.securityfocus.com/bid/93115 (af854a3a-2127-422b-91ae-364da2661108)
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-342135.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-16-271-01 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For siemens's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.