Vulnerability Details : CVE-2017-7937
An Improper Authentication issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2. An attacker may be able to gain unauthorized access to the user firewall when RADIUS servers are unreachable.
Vulnerability category: BypassGain privilege
Products affected by CVE-2017-7937
- cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.1:*:*:*:*:*:*:*
- cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.2:*:*:*:*:*:*:*
- cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7937
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7937
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
4.0
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N |
2.2
|
1.4
|
NIST |
CWE ids for CVE-2017-7937
-
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-2017-7937
-
https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01
PHOENIX CONTACT mGuard | CISAThird Party Advisory;US Government Resource
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