Improper input validation in Phoenix Contact Axc F 1152 (1151412)
CVE-2020-12521
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS a specially crafted LLDP packet may lead to a high system load in the PROFINET stack. An attacker can cause failure of system services or a complete reboot.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Phoenix Contact Axc F 1152 (1151412) — versions unspecified
- Phoenix Contact Axc F 2152 (2404267) — versions unspecified
- Phoenix Contact Axc F 2152 Starterkit (1046568) — versions unspecified
- Phoenix Contact Axc F 3152 (1069208) — versions unspecified
- Phoenix Contact Plcnext Technology Starterkit (1188165) — versions unspecified
- Phoenix Contact Rfc 4072s (1051328 — versions unspecified
- Phoenixcontact Axc_f_1152
- Phoenixcontact Axc_f_2152
- Phoenixcontact Axc_f_2152_starterkit
- Phoenixcontact Axc_f_3152
Weakness classification (CWE)
References
- info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12521?
- CVE-2020-12521 is a medium-severity vulnerability in Phoenix Contact Axc F 1152 (1151412), classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-12-17.
- How severe is CVE-2020-12521?
- Medium severity. CVSS v3 base score is 6.5 out of 10.