CVE-2020-12523
What it is
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
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.
- Exploit odds
- 0.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.9% in the next 30 days (EPSS).
- Severity: 5.4 MEDIUM (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 0.9% · EPSS, next 30 days
- Weakness
- CWE-909
- Record status
- Modified
Affected
- Phoenixcontact Tc Mguard rs4000 4g Vzw Vpn Firmware < 8.8.3
- Phoenixcontact Tc Mguard rs4000 4g Att Vpn Firmware < 8.8.3
- Phoenixcontact Fl Mguard rs4004 tx\/dtx Firmware < 8.8.3
- Phoenixcontact Fl Mguard rs4004 tx\/dtx Vpn Firmware < 8.8.3
- Phoenixcontact Tc Mguard rs4000 3g Vpn Firmware
- Phoenixcontact Tc Mguard rs4000 4g Vpn Firmware < 8.8.3
- Phoenixcontact Innominate Mguard rs4000 4tx\/tx Firmware < 8.8.3
- Phoenixcontact Innominate Mguard rs4000 4tx\/tx Vpn Firmware < 8.8.3
Attack profile CVSS 3.1 · 5.4
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-12523.md and follow it. Check whether this project is affected by CVE-2020-12523. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
