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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (37.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
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
- cert.vde.com/en-us/advisories/vde-2020-049 (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.