CVE-2015-7836

Siemens RUGGEDCOM ROS before 4.2.1 allows remote attackers to obtain sensitive information by sniffing the network for VLAN data within the padding section of an Ethernet frame.

Published: 2015-10-28 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-7836 is rated Low Risk (33.4/100): CVSS Low severity, with medium exploitation likelihood (EPSS 0.93%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-7836

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.23% 0.93% +0.70%
2 2026-03-21 0.27% 0.23% -0.04%
3 2025-06-26 0.27%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-7836

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.3 2.0 LOW
AV:A/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
6.5 2.9 [email protected]

Weakness enumeration for CVE-2015-7836

Affected software / configurations for CVE-2015-7836

Vendor Product Version Raw CPE
siemens ruggedcom_rugged_operating_system <= 4.2.0 cpe:2.3:o:siemens:ruggedcom_rugged_operating_system:*:*:*:*:*:*:*:*

References for CVE-2015-7836

cvelogic Threat Intelligence