Vulnerability Details : CVE-2017-6868
An Improper Authentication issue was discovered in Siemens SIMATIC CP 44x-1 RNA, all versions prior to 1.4.1. An unauthenticated remote attacker may be able to perform administrative actions on the Communication Process (CP) of the RNA series module, if network access to Port 102/TCP is available and the configuration file for the CP is stored on the RNA's CPU.
Vulnerability category: BypassGain privilege
Products affected by CVE-2017-6868
- cpe:2.3:a:siemens:simatic_cp_44x-1_redundant_network_access_modules:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-6868
4.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-6868
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
8.1
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
CWE ids for CVE-2017-6868
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by:
- ics-cert@hq.dhs.gov (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2017-6868
-
http://www.securityfocus.com/bid/99234
Siemens SIMATIC CP 44x-1 Redundant CVE-2017-6868 Authentication Bypass VulnerabilityThird Party Advisory;VDB Entry
-
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-126840.pdf
-
http://www.securitytracker.com/id/1038788
Siemens SIMATIC CP 44x-1 RNA Unspecified Bug Lets Remote Users Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
-
https://ics-cert.us-cert.gov/advisories/ICSA-17-173-01
Siemens SIMATIC CP 44x-1 Redundant Network Access Modules | CISAThird Party Advisory;US Government Resource
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