Vulnerability Details : CVE-2018-11462
A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions), SINUMERIK 808D V4.8 (All versions), SINUMERIK 828D V4.7 (All versions < V4.7 SP6 HF1), SINUMERIK 840D sl V4.7 (All versions < V4.7 SP6 HF5), SINUMERIK 840D sl V4.8 (All versions < V4.8 SP3). By sending a specially crafted authentication request to the affected systems a remote attacker could escalate his privileges to an elevated user account but not to root. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known.
Products affected by CVE-2018-11462
- cpe:2.3:o:siemens:sinumerik_828d_v4.7_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinumerik_840d_sl_v4.7_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinumerik_840d_sl_v4.8_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinumerik_808d_v4.7_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinumerik_808d_v4.8_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-11462
10.54%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-11462
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-11462
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Assigned by: productcert@siemens.com (Secondary)
References for CVE-2018-11462
-
https://cert-portal.siemens.com/productcert/pdf/ssa-170881.pdf
Vendor Advisory
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http://www.securityfocus.com/bid/106185
Siemens SINUMERIK Controllers Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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