Vulnerability Details : CVE-2020-12523
On Phoenix Contact mGuard Devices versions before 8.8.3 LAN ports get functional after reboot even if they are disabled in the device configuration. For mGuard devices with integrated switch on the LAN side, single switch ports can be disabled by device configuration. After a reboot these ports get functional independent from their configuration setting: Missing Initialization of Resource
Products affected by CVE-2020-12523
- cpe:2.3:o:phoenixcontact:tc_mguard_rs4000_4g_vzw_vpn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:tc_mguard_rs4000_4g_att_vpn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:fl_mguard_rs4004_tx\/dtx_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:fl_mguard_rs4004_tx\/dtx_vpn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:tc_mguard_rs4000_3g_vpn_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:tc_mguard_rs4000_4g_vpn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:innominate_mguard_rs4000_4tx\/tx_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:innominate_mguard_rs4000_4tx\/tx_vpn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:innominate_mguard_rs4000_4tx\/3g\/tx_vpn_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12523
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12523
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L |
2.8
|
2.5
|
CERT VDE | |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2020-12523
-
The product does not initialize a critical resource.Assigned by:
- info@cert.vde.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2020-12523
-
https://cert.vde.com/en-us/advisories/vde-2020-046
PHOENIX CONTACT: mGuard products missing initialization of resource — English (USA)Third Party Advisory
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